diff --git a/app.py b/app.py
index cd5b09fd2af..b2f0f64fad4 100644
--- a/app.py
+++ b/app.py
@@ -778,7 +778,7 @@ def remove_file(response):
     return send_file("machine_files/" + filename + "." + extension, as_attachment=True)
 
 
-MICROBIT_FEATURE = False
+MICROBIT_FEATURE = True
 
 
 @app.route('/generate_microbit_files', methods=['POST'])
@@ -803,7 +803,7 @@ def save_transpiled_code_for_microbit(transpiled_python_code):
     if not os.path.exists(folder):
         os.makedirs(folder)
     with open(filepath, 'w') as file:
-        custom_string = "from microbit import *\nwhile True:"
+        custom_string = "from microbit import *\nimport random\nwhile True:"
         file.write(custom_string + "\n")
 
         # Add space before every display.scroll call
diff --git a/hedy.py b/hedy.py
index 92f35aed00c..e26a91b6868 100644
--- a/hedy.py
+++ b/hedy.py
@@ -290,7 +290,7 @@ def add_level(commands, level, add=None, remove=None):
         add = []
     if not remove:
         remove = []
-    commands[level] = [c for c in commands[level-1] if c not in remove] + add
+    commands[level] = [c for c in commands[level - 1] if c not in remove] + add
 
 
 # Commands per Hedy level which are used to suggest the closest command when kids make a mistake
@@ -313,7 +313,6 @@ def add_level(commands, level, add=None, remove=None):
 add_level(commands_per_level, level=17, add=['elif'])
 add_level(commands_per_level, level=18, add=['input'], remove=['ask'])
 
-
 command_turn_literals = ['right', 'left']
 english_colors = ['black', 'blue', 'brown', 'gray', 'green', 'orange', 'pink', 'purple', 'red', 'white', 'yellow']
 
@@ -1119,7 +1118,8 @@ def __default__(self, args, children, meta):
         # for the achievements we want to be able to also detect which operators were used by a kid
         operators = ['addition', 'subtraction', 'multiplication', 'division']
 
-        if production_rule_name in commands_per_level[self.level] or production_rule_name in operators or production_rule_name == 'if_pressed_else':
+        if production_rule_name in commands_per_level[
+                self.level] or production_rule_name in operators or production_rule_name == 'if_pressed_else':
             # if_pressed_else is not in the yamls, upsetting lookup code to get an alternative later
             # lookup should be fixed instead, making a special case for now
             if production_rule_name == 'else':  # use of else also has an if
@@ -1318,22 +1318,22 @@ def if_pressed_no_colon(self, meta, args):
 
     def if_pressed_elifs_no_colon(self, meta, args):
         # if_pressed_elifs starts with _EOL, so we need to add +1 to its line
-        raise exceptions.MissingColonException(command=Command.elif_, line_number=meta.line+1)
+        raise exceptions.MissingColonException(command=Command.elif_, line_number=meta.line + 1)
 
     def if_pressed_elses_no_colon(self, meta, args):
         # if_pressed_elses starts with _EOL, so we need to add +1 to its line
-        raise exceptions.MissingColonException(command=Command.else_, line_number=meta.line+1)
+        raise exceptions.MissingColonException(command=Command.else_, line_number=meta.line + 1)
 
     def ifs_no_colon(self, meta, args):
         raise exceptions.MissingColonException(command=Command.if_, line_number=meta.line)
 
     def elifs_no_colon(self, meta, args):
         # elifs starts with _EOL, so we need to add +1 to its line
-        raise exceptions.MissingColonException(command=Command.elif_, line_number=meta.line+1)
+        raise exceptions.MissingColonException(command=Command.elif_, line_number=meta.line + 1)
 
     def elses_no_colon(self, meta, args):
         # elses starts with _EOL, so we need to add +1 to its line
-        raise exceptions.MissingColonException(command=Command.else_, line_number=meta.line+1)
+        raise exceptions.MissingColonException(command=Command.else_, line_number=meta.line + 1)
 
     def for_list_no_colon(self, meta, args):
         raise exceptions.MissingColonException(command=Command.for_list, line_number=meta.line)
@@ -1873,7 +1873,8 @@ def print(self, meta, args):
             exception = self.make_index_error_check_if_list(args)
             return exception + f"print(f'{argument_string}'){self.add_debug_breakpoint()}"
         else:
-            return f"""display.scroll('{argument_string}')"""
+            argument_string = ' '.join(args_new)
+            return f"display.scroll({argument_string})"
 
     def ask(self, meta, args):
         var = args[0]
@@ -1889,13 +1890,19 @@ def make_print_ask_arg(self, arg, meta, var_to_escape=''):
         # therefore we should not process it anymore and thread it as a variable:
         # we set the line number to 100 so there is never an issue with variable access before
         # assignment (regular code will not work since random.choice(dieren) is never defined as var as such)
-        if "random.choice" in arg or "[" in arg:
-            return self.process_variable_for_fstring(arg, meta.line, var_to_escape)
-
-        # this regex splits words from non-letter characters, such that name! becomes [name, !]
-        p = r"[·\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}]+|[^·\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}]+"
-        res = regex.findall(p, arg)
-        return ''.join([self.process_variable_for_fstring(x, meta.line, var_to_escape) for x in res])
+        if not self.microbit:
+            if "random.choice" in arg or "[" in arg:
+                return self.process_variable_for_fstring(arg, meta.line, var_to_escape)
+            # this regex splits words from non-letter characters, such that name! becomes [name, !]
+            p = r"[·\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}]+|[^·\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}]+"
+            res = regex.findall(p, arg)
+            return ''.join([self.process_variable_for_fstring(x, meta.line, var_to_escape) for x in res])
+        else:
+            if self.is_variable(arg, meta.line):
+                return arg
+            else:
+                # If the argument is not a variable, return it as a string literal with quotes
+                return f"'{arg}'"
 
     def forward(self, meta, args):
         if len(args) == 0:
@@ -1932,65 +1939,113 @@ def play(self, meta, args):
     def assign(self, meta, args):
         variable_name = args[0]
         value = args[1]
-
-        if self.is_random(value) or self.is_list(value):
-            exception = self.make_index_error_check_if_list([value])
-            return exception + variable_name + " = " + value + self.add_debug_breakpoint()
+        if not self.microbit:
+            if self.is_random(value) or self.is_list(value):
+                exception = self.make_index_error_check_if_list([value])
+                return exception + variable_name + " = " + value + self.add_debug_breakpoint()
+            else:
+                if self.is_variable(value, meta.line):  # if the value is a variable, this is a reassign
+                    value = self.process_variable(value, meta.line)
+                    return variable_name + " = " + value + self.add_debug_breakpoint()
+                else:
+                    # if the assigned value is not a variable and contains single quotes, escape them
+                    value = process_characters_needing_escape(value)
+                    return variable_name + " = '" + value + "'" + self.add_debug_breakpoint()
         else:
-            if self.is_variable(value, meta.line):  # if the value is a variable, this is a reassign
-                value = self.process_variable(value, meta.line)
-                return variable_name + " = " + value + self.add_debug_breakpoint()
+            if self.is_random(value) or self.is_list(value):
+                exception = self.make_index_error_check_if_list([value])
+                return "    " + exception + str(variable_name) + " = " + value + self.add_debug_breakpoint()
             else:
-                # if the assigned value is not a variable and contains single quotes, escape them
-                value = process_characters_needing_escape(value)
-                return variable_name + " = '" + value + "'" + self.add_debug_breakpoint()
+                if self.is_variable(value, meta.line):  # if the value is a variable, this is a reassign
+                    value = self.process_variable(value, meta.line)
+                    return "    " + str(variable_name) + " = " + value + self.add_debug_breakpoint()
+                else:
+                    # if the assigned value is not a variable and contains single quotes, escape them
+                    value = process_characters_needing_escape(value)
+                    return "    " + str(variable_name) + " = '" + value + "'" + self.add_debug_breakpoint()
 
     def sleep(self, meta, args):
-        if not args:
-            return f"time.sleep(1){self.add_debug_breakpoint()}"
+        if not self.microbit:
+            if not args:
+                return f"time.sleep(1){self.add_debug_breakpoint()}"
+            else:
+                value = f'"{args[0]}"' if self.is_int(args[0]) else args[0]
+                if not self.is_int(args[0]):
+                    self.add_variable_access_location(value, meta.line)
+                index_exception = self.make_index_error_check_if_list(args)
+                ex = make_value_error(Command.sleep, 'suggestion_number', self.language)
+                code = index_exception + \
+                    textwrap.dedent(f"time.sleep(int_with_error({value}, {ex})){self.add_debug_breakpoint()}")
+                return code
         else:
-            value = f'"{args[0]}"' if self.is_int(args[0]) else args[0]
-            if not self.is_int(args[0]):
-                self.add_variable_access_location(value, meta.line)
-            index_exception = self.make_index_error_check_if_list(args)
-            ex = make_value_error(Command.sleep, 'suggestion_number', self.language)
-            code = index_exception + \
-                textwrap.dedent(f"time.sleep(int_with_error({value}, {ex})){self.add_debug_breakpoint()}")
-            return code
+            if not args:
+                return f"sleep(1000){self.add_debug_breakpoint()}"  # Default 1 second sleep in milliseconds
+            else:
+                value = args[0]
+                if self.is_int(value):
+                    # Direct conversion of seconds to milliseconds
+                    milliseconds = int(value) * 1000
+                else:
+                    # If the value is a variable, ensure it's used correctly
+                    milliseconds = f"{value} * 1000"
+                return f"    sleep({milliseconds}){self.add_debug_breakpoint()}"
 
 
 @v_args(meta=True)
 @hedy_transpiler(level=3)
 @source_map_transformer(source_map)
 class ConvertToPython_3(ConvertToPython_2):
+
     def assign_list(self, meta, args):
-        parameter = args[0]
-        values = [f"'{process_characters_needing_escape(a)}'" for a in args[1:]]
-        return f"{parameter} = [{', '.join(values)}]{self.add_debug_breakpoint()}"
+        if not self.microbit:
+            parameter = args[0]
+            values = [f"'{process_characters_needing_escape(a)}'" for a in args[1:]]
+            return f"{parameter} = [{', '.join(values)}]{self.add_debug_breakpoint()}"
+        else:
+            parameter = args[0]
+            values = [f"'{process_characters_needing_escape(a)}'" for a in args[1:]]
+            return f'    {parameter} = [{", ".join(values)}]{self.add_debug_breakpoint()}'
 
     def list_access(self, meta, args):
-        args = [escape_var(a) for a in args]
-        listname = str(args[0])
-        location = str(args[0])
+        if not self.microbit:
+            args = [escape_var(a) for a in args]
+            listname = str(args[0])
+            location = str(args[0])
 
-        # check the arguments (except when they are random or numbers, that is not quoted nor a var but is allowed)
-        self.check_var_usage([a for a in args if a != 'random' and not a.isnumeric()], meta.line)
+            # check the arguments (except when they are random or numbers, that is not quoted nor a var but is allowed)
+            self.check_var_usage([a for a in args if a != 'random' and not a.isnumeric()], meta.line)
 
-        # store locations of both parts (can be list at var)
-        self.add_variable_access_location(listname, meta.line)
-        self.add_variable_access_location(location, meta.line)
+            # store locations of both parts (can be list at var)
+            self.add_variable_access_location(listname, meta.line)
+            self.add_variable_access_location(location, meta.line)
 
-        if args[1] == 'random':
-            return 'random.choice(' + listname + ')'
+            if args[1] == 'random':
+                return 'random.choice(' + listname + ')'
+            else:
+                return listname + '[int(' + args[1] + ')-1]'
         else:
-            return listname + '[int(' + args[1] + ')-1]'
+            args = [escape_var(a) for a in args]
+            listname = str(args[0])
+            location = str(args[1])
+
+            # check the arguments (except when they are random or numbers, that is not quoted nor a var but is allowed)
+            self.check_var_usage([a for a in args if a != 'random' and not a.isnumeric()], meta.line)
+
+            # store locations of both parts (can be list at var)
+            self.add_variable_access_location(listname, meta.line)
+            self.add_variable_access_location(location, meta.line)
+
+            if args[1] == 'random':
+                return 'random.choice(' + listname + ')'
+            else:
+                return f"({listname}[int({args[1]})-1])"
 
     def process_argument(self, meta, arg):
         # only call process_variable if arg is a string, else keep as is (ie.
         # don't change 5 into '5', my_list[1] into 'my_list[1]')
         if arg.isnumeric() and isinstance(arg, int):  # is int/float
             return arg
-        elif (self.is_list(arg)):  # is list indexing
+        elif self.is_list(arg):  # is list indexing
             list_name = arg.split('[')[0]
             self.add_variable_access_location(list_name, meta.line)
             before_index, after_index = arg.split(']', 1)
@@ -1998,28 +2053,76 @@ def process_argument(self, meta, arg):
         else:
             return self.process_variable(arg, meta.line)
 
+    def print(self, meta, args):
+        args_new = [self.make_print_ask_arg(a, meta) for a in args]
+        if not self.microbit:
+            argument_string = ' '.join(args_new)
+            exception = self.make_index_error_check_if_list(args)
+            return exception + f"print(f'{argument_string}'){self.add_debug_breakpoint()}"
+        else:
+            parts = []
+            current_part = []
+            for arg in args_new:
+                if 'random.choice' in arg:
+                    if current_part:
+                        parts.append(" ".join(current_part))
+                        current_part = []
+                    parts.append(arg)
+                else:
+                    current_part.append(arg)
+            if current_part:
+                parts.append(" ".join(current_part))
+
+            display_scrolls = [f"display.scroll({part})" if 'random.choice' in part else f"display.scroll({part})" for
+                               part in parts]
+            return "\n".join(display_scrolls)
+
     def add(self, meta, args):
-        value = self.process_argument(meta, args[0])
-        list_var = args[1]
+        if not self.microbit:
+            value = self.process_argument(meta, args[0])
+            list_var = args[1]
 
-        # both sides have been used now
-        self.add_variable_access_location(value, meta.line)
-        self.add_variable_access_location(list_var, meta.line)
-        return f"{list_var}.append({value}){self.add_debug_breakpoint()}"
+            # both sides have been used now
+            self.add_variable_access_location(value, meta.line)
+            self.add_variable_access_location(list_var, meta.line)
+            return f"{list_var}.append({value}){self.add_debug_breakpoint()}"
+        else:
+            value = self.process_argument(meta, args[0])
+            list_var = args[1]
+
+            # both sides have been used now
+            self.add_variable_access_location(value, meta.line)
+            self.add_variable_access_location(list_var, meta.line)
+            return f"    {list_var}.append({value}){self.add_debug_breakpoint()}"
 
     def remove(self, meta, args):
-        value = self.process_argument(meta, args[0])
-        list_var = args[1]
+        if not self.microbit:
+            value = self.process_argument(meta, args[0])
+            list_var = args[1]
 
-        # both sides have been used now
-        self.add_variable_access_location(value, meta.line)
-        self.add_variable_access_location(list_var, meta.line)
+            # both sides have been used now
+            self.add_variable_access_location(value, meta.line)
+            self.add_variable_access_location(list_var, meta.line)
 
-        return textwrap.dedent(f"""\
-        try:
-          {list_var}.remove({value}){self.add_debug_breakpoint()}
-        except:
-          pass""")
+            return textwrap.dedent(f"""\
+            try:
+              {list_var}.remove({value}){self.add_debug_breakpoint()}
+            except:
+              pass""")
+        else:
+            value = self.process_argument(meta, args[0])
+            list_var = args[1]
+
+            # both sides have been used now
+            self.add_variable_access_location(value, meta.line)
+            self.add_variable_access_location(list_var, meta.line)
+
+            code = textwrap.dedent(f"""\
+                   try:
+                       {list_var}.remove({value})
+                   except:
+                       pass""")
+            return textwrap.indent(code, "    ")
 
 
 @v_args(meta=True)
@@ -3075,7 +3178,8 @@ def get_parser(level, lang="en", keep_all_tokens=False, skip_faulty=False):
 
 
 ParseResult = namedtuple('ParseResult', ['code', 'source_map', 'has_turtle',
-                                         'has_pressed', 'has_clear', 'has_music', 'has_sleep', 'commands', 'roles_of_variables'])
+                                         'has_pressed', 'has_clear', 'has_music', 'has_sleep', 'commands',
+                                         'roles_of_variables'])
 
 
 def transpile_inner_with_skipping_faulty(input_string, level, lang="en", unused_allowed=True):
diff --git a/tests/test_level/test_level_02.py b/tests/test_level/test_level_02.py
index 16f9130868c..50d083036c0 100644
--- a/tests/test_level/test_level_02.py
+++ b/tests/test_level/test_level_02.py
@@ -557,6 +557,12 @@ def test_sleep(self):
 
         self.multi_level_tester(code=code, expected=expected)
 
+    def test_sleep_micro_bit(self):
+        code = "sleep 1"
+        expected = "    sleep(1000)"
+
+        self.multi_level_tester(code=code, expected=expected, max_level=5, microbit=True)
+
     def test_sleep_with_default_number(self):
         code = "sleep 1"
         expected = HedyTester.sleep_command_transpiled('"1"')
@@ -654,6 +660,12 @@ def test_assign(self):
 
         self.multi_level_tester(code=code, expected=expected, max_level=11, unused_allowed=True)
 
+    def test_assign_micro_bit(self):
+        code = "naam is Felienne"
+        expected = "    naam = 'Felienne'"
+
+        self.multi_level_tester(code=code, expected=expected, max_level=5, unused_allowed=True, microbit=True)
+
     def test_assign_catalan_var_name(self):
         code = textwrap.dedent("""\
             print És hora una nit de Netflix
diff --git a/tests/test_level/test_level_03.py b/tests/test_level/test_level_03.py
index 30dd879a130..e7fa42b058c 100644
--- a/tests/test_level/test_level_03.py
+++ b/tests/test_level/test_level_03.py
@@ -640,6 +640,23 @@ def test_add_text_to_list(self):
             extra_check_function=self.result_in(['koe', 'kiep', 'muis']),
         )
 
+    def test_add_text_to_list_microbit(self):
+        code = textwrap.dedent("""\
+        dieren is koe, kiep
+        add muis to dieren
+        print dieren at random""")
+
+        expected = ("    dieren = ['koe', 'kiep']\n"
+                    "    dieren.append('muis')\n"
+                    'display.scroll(random.choice(dieren))')
+
+        self.single_level_tester(
+            code=code,
+            expected=expected,
+            level=3,
+            microbit=True
+        )
+
     # add/remove tests (IMAN)
     #
     def test_add_text_to_list_numerical(self):
@@ -991,7 +1008,7 @@ def test_3778_at_random(self):
 
         self.multi_level_tester(code=code, expected=expected, max_level=11)
 
-# music tests
+    # music tests
     def test_play_random(self):
         code = textwrap.dedent("""\
         notes is C4, E4, D4, F4, G4