diff --git a/src/entity/entity.cpp b/src/entity/entity.cpp
index 1e02e43..c8bea21 100644
--- a/src/entity/entity.cpp
+++ b/src/entity/entity.cpp
@@ -55,10 +55,14 @@ void Entity::update() {
 
 void Entity::die() {
 	for (int i = 0; i < world->i_window->objects.size(); i++) {
-		if (world->i_window->objects.at(i) == this) {
-			world->i_window->objects.erase(world->i_window->objects.begin() + i);
+		if (getWindow()->objects.at(i) == this) {
+			getWindow()->objects.erase(getWindow()->objects.begin() + i);
 			delete this;
 			return;
 		}
 	}
 }
+
+MWindow* Entity::getWindow() {
+	return world->i_window;
+}
diff --git a/src/entity/entity.h b/src/entity/entity.h
index 9149cff..672b9ac 100644
--- a/src/entity/entity.h
+++ b/src/entity/entity.h
@@ -53,6 +53,8 @@ class Entity : public Renderable {
 
 	virtual void die();
 
+	MWindow* getWindow();
+
 };
 
 #endif // M_ENTITY_H
diff --git a/src/entity/item.cpp b/src/entity/item.cpp
index 1f3d50e..91014b0 100644
--- a/src/entity/item.cpp
+++ b/src/entity/item.cpp
@@ -38,7 +38,7 @@ void EntityItem::updateSpritePosition(MWindow& relativeTo) {
 void EntityItem::update() {
 	Entity::update();
 	Player* player; // For later type casts
-	for (Renderable* obj : world->i_window->objects) {
+	for (Renderable* obj : getWindow()->objects) {
 		player = dynamic_cast<Player*>(obj);
 		if (player) {
 			// Checking to see if the player is in bounds for pick up
diff --git a/src/entity/player.cpp b/src/entity/player.cpp
index 891fed7..2bed51b 100644
--- a/src/entity/player.cpp
+++ b/src/entity/player.cpp
@@ -10,6 +10,8 @@ Player::Player(M2DWorld& world)
 	height = 2;
 	width = 0.2;
 
+	hotbarPosition = 8;
+
 	headLeft.setTexture(HEAD_TEX_LEFT, true);
 	headRight.setTexture(HEAD_TEX_RIGHT, true);
 	body.setTexture(BODY_TEX, true);
@@ -266,3 +268,50 @@ sf::Vector2f& findSpawnLocation(M2DWorld& world) {
 	// For now, just returns a high spawn
 	return *(new sf::Vector2f(1, 10));
 }
+
+
+void Player::updateBlock(int xPos, int yPos, bool destroy) {
+	// Based on the mouse coordinates given, find the block to break
+
+	// We only want to detect if in the main game
+	if (getWindow()->state != MAIN_GAME) return;
+
+	// The x and y differences
+	float xDiff = xPos - PLAYER_HEAD_X;
+	float yDiff = PLAYER_HEAD_Y - yPos;
+
+	sf::Vector2f pos(xPos, yPos);
+
+	// So we don't declare 100 times in a loop
+	sf::Vector2f incrementedPosition = *screenToBlock(*getWindow(), pos);
+
+	// How much to increment x and y by
+	double distance = sqrt((xDiff*xDiff) + (yDiff*yDiff));
+	double xStep = (xDiff / distance) * PLAYER_REACH / BLOCK_BREAK_COMPARISONS;
+	double yStep = (yDiff / distance) * PLAYER_REACH / BLOCK_BREAK_COMPARISONS;
+
+	// I'll improve window.player->world some other time
+	// We send out a ray from the player's head (actually increment a position)
+	for (int i = 0; i < BLOCK_BREAK_COMPARISONS; i++) {
+		int inX = (int) floor(incrementedPosition.x);
+		int inY = (int) floor(incrementedPosition.y);
+		if (inX > 0 && inX < WORLD_WIDTH && inY > 0 && inY < WORLD_HEIGHT_LIMIT)
+		if (world->blocks[inX][inY]->str_type != "air") {
+			if (destroy) {
+				world->b_break(inX, inY + 1);
+				return;
+			} else {
+				world->b_place(
+					(int) floor(incrementedPosition.x - xStep),
+					(int) floor(incrementedPosition.y - yStep + 1),
+					inventory->sections[0]->contents[hotbarPosition]
+				);
+				return;
+			}
+		}
+		// Increment the position
+		incrementedPosition.x += xStep;
+		incrementedPosition.y += yStep;
+	}
+
+}
diff --git a/src/entity/player.h b/src/entity/player.h
index d153f2c..e0021e4 100644
--- a/src/entity/player.h
+++ b/src/entity/player.h
@@ -40,6 +40,9 @@ class Player : public Entity {
 	// Is the player facing left (false) or right (true)?
 	bool facing;
 
+	// Which item stack the player is holding (0 through 8)
+	int hotbarPosition;
+
 	Player(M2DWorld& world);
 	void render(MWindow& window) const override;
 	void updateSpritePosition(MWindow& relativeTo) override;
@@ -64,6 +67,8 @@ class Player : public Entity {
 	void sneak();
 
 	void update() override;
+
+	void updateBlock(int xPos, int yPos, bool destroy);
 };
 
 sf::Vector2i* floorCoords(sf::Vector2f* coords);
diff --git a/src/gui/hotbar_renderer.cpp b/src/gui/hotbar_renderer.cpp
index c3be663..19aff6a 100644
--- a/src/gui/hotbar_renderer.cpp
+++ b/src/gui/hotbar_renderer.cpp
@@ -1,6 +1,6 @@
 #include "hotbar_renderer.h"
 
-InventoryFrame::InventoryFrame(MWindow& window, int x, int y)
+InventoryFrame::InventoryFrame(MWindow& window, int x, int y, bool held)
 :
 // Initialize the rects
 b(sf::Vector2f(FRAME_SIZE, FRAME_THICKNESS)),
@@ -12,6 +12,12 @@ r(sf::Vector2f(FRAME_THICKNESS, FRAME_SIZE)) {
 	t.setPosition(sf::Vector2f(x - (FRAME_SIZE / 2), y - (FRAME_SIZE / 2)));
 	l.setPosition(sf::Vector2f(x - (FRAME_SIZE / 2), y - (FRAME_SIZE / 2)));
 	r.setPosition(sf::Vector2f(x + (FRAME_SIZE / 2) - (FRAME_THICKNESS / 2), y - FRAME_SIZE / 2));
+	if (held) {
+		b.setFillColor(sf::Color::Black);
+		t.setFillColor(sf::Color::Black);
+		l.setFillColor(sf::Color::Black);
+		r.setFillColor(sf::Color::Black);
+	}
 }
 
 void InventoryFrame::render(MWindow& window) {
@@ -27,7 +33,9 @@ void renderHotbar(MWindow& window, InventorySection* section) {
 	sf::Text text; // For later
 	for (int i = 0; i < section->size; i++) {
 		centerX = WN_WIDTH / 2 - (section->size * FRAME_SIZE / 2) + (i * FRAME_SIZE);
-		InventoryFrame(window, centerX, HOTBAR_DISPLAY_HEIGHT).render(window);
+		InventoryFrame (
+			window, centerX, HOTBAR_DISPLAY_HEIGHT, window.player->hotbarPosition == i
+		).render(window);
 		section->contents[i]->spr.setPosition(
 			centerX - (200 * 0.4 / 2), HOTBAR_DISPLAY_HEIGHT - (200 * 0.4 / 2)
 		);
diff --git a/src/gui/hotbar_renderer.h b/src/gui/hotbar_renderer.h
index a15da19..e1a0ad7 100644
--- a/src/gui/hotbar_renderer.h
+++ b/src/gui/hotbar_renderer.h
@@ -25,7 +25,7 @@ class InventorySection;
 class InventoryFrame {
 public:
 	sf::RectangleShape b, t, l, r; // The four sides
-	InventoryFrame(MWindow& window, int xPos, int yPos);
+	InventoryFrame(MWindow& window, int xPos, int yPos, bool held);
 	void render(MWindow& window);
 };
 
diff --git a/src/main.cpp b/src/main.cpp
index 2582c9e..6d0e213 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -58,8 +58,6 @@ int main() {
 	MWindow wn(WN_WIDTH, WN_HEIGHT, "2D Minecraft");
 	wn.color = WN_BG_COLOR;
 
-	InventoryFrame test(wn, 1000, 1000);
-
 	// Buttons for actions
 	MButton startGame(wn, startNewGame, "New Game", sf::Color(100, 100, 100), 1000, 1000);
 	MButton retButton(wn, returnToGame, "Resume", sf::Color(100, 100, 100), 1000, 800, true);
diff --git a/src/main.h b/src/main.h
index 3242835..18ea494 100644
--- a/src/main.h
+++ b/src/main.h
@@ -17,7 +17,7 @@
 // Physics settings
 #define GRAVITY_STRENGTH 0.00003
 #define FRICTION 0.05
-#define JUMP_HEIGHT 0.005
+#define JUMP_HEIGHT 0.008
 #define WALK_SPEED 0.005
 
 void loadButtonFont();
diff --git a/src/render/m_window.cpp b/src/render/m_window.cpp
index 7d7b7a3..7773941 100644
--- a/src/render/m_window.cpp
+++ b/src/render/m_window.cpp
@@ -13,7 +13,7 @@ MWindow::MWindow(int x, int y, std::string title)
 color(0, 0, 0) {
 	xShift = yShift = 0;
 	player = nullptr;
-	lastMousePressed = false;
+	lastMousePressedLeft = lastMousePressedRight = false;
 	state = MAIN_MENU;
 }
 
@@ -39,12 +39,23 @@ void MWindow::cycle() {
 		}
 
 		// Mouse presses
-		if (sf::Mouse::isButtonPressed(sf::Mouse::Button::Left) && !lastMousePressed) {
-			onClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y);
-			lastMousePressed = true;
-		} else if (!(sf::Mouse::isButtonPressed(sf::Mouse::Button::Left)) && lastMousePressed) {
-			offClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y);
-			lastMousePressed = false;
+
+		// Left
+		if (sf::Mouse::isButtonPressed(sf::Mouse::Button::Left) && !lastMousePressedLeft) {
+			onClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y, true);
+			lastMousePressedLeft = true;
+		} else if (!(sf::Mouse::isButtonPressed(sf::Mouse::Button::Left)) && lastMousePressedLeft) {
+			offClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y, true);
+			lastMousePressedLeft = false;
+		}
+
+		// Right
+		if (sf::Mouse::isButtonPressed(sf::Mouse::Button::Right) && !lastMousePressedRight) {
+			onClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y, false);
+			lastMousePressedRight = true;
+		} else if (!(sf::Mouse::isButtonPressed(sf::Mouse::Button::Right)) && lastMousePressedRight) {
+			offClick(sf::Mouse::getPosition(*this).x, sf::Mouse::getPosition(*this).y, false);
+			lastMousePressedRight = false;
 		}
 
 		// Display the screen
@@ -75,28 +86,39 @@ void MWindow::add(Renderable* obj) {
 	objects.push_back(obj);
 }
 
-void MWindow::onClick(int x, int y) {
-	MButton* button;
-	for (Renderable* object : objects) {
-		button = dynamic_cast<MButton*>(object);
-		if (button) {
-			if (button->contains(x, y)) {
-				button->onClick();
-				return;
+void MWindow::onClick(int x, int y, bool m) {
+	if (m) {
+		MButton* button;
+		for (Renderable* object : objects) {
+			button = dynamic_cast<MButton*>(object);
+			if (button) {
+				if (button->contains(x, y)) {
+					button->onClick();
+					return;
+				}
 			}
 		}
+		if (player) {
+			this->player->updateBlock(x, y, true);
+		}
+	} else {
+		// Right click
+		if (player) {
+			player->updateBlock(x, y, false);
+		}
 	}
-	breakBlock(*this, x, y);
 }
 
-void MWindow::offClick(int x, int y) {
-	MButton* button;
-	for (Renderable* object : objects) {
-		button = dynamic_cast<MButton*>(object);
-		if (button) {
-			if (button->clicked) {
-				button->offClick(*this);
-				return;
+void MWindow::offClick(int x, int y, bool m) {
+	if (m) {
+		MButton* button;
+		for (Renderable* object : objects) {
+			button = dynamic_cast<MButton*>(object);
+			if (button) {
+				if (button->clicked) {
+					button->offClick(*this);
+					return;
+				}
 			}
 		}
 	}
@@ -153,6 +175,7 @@ void MWindow::handleWindowEvents(sf::Event event) {
 }
 
 void MWindow::handleKeyPresses() {
+	// Player movement
 	if (sf::Keyboard::isKeyPressed(sf::Keyboard::Space) && player->isCollided()) {
 		if (player) player->jump();
 	} if (sf::Keyboard::isKeyPressed(sf::Keyboard::LShift) ||
@@ -168,44 +191,33 @@ void MWindow::handleKeyPresses() {
 		if (player->facing && player) player->moveRight(); else if (player) player->moveLeft();
 	} if (sf::Keyboard::isKeyPressed(sf::Keyboard::S)) {
 		if (player->facing && player) player->moveLeft(); else if (player) player->moveRight();
+
+	// Escape menu
 	} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape)) {
 		escape(*this);
 	}
-}
-
-void breakBlock(MWindow& window, int xPos, int yPos) {
-	// Based on the mouse coordinates given, find the block to break
-
-	// We only want to detect if in the main game
-	if (!(window.player) || (window.state != MAIN_GAME)) return;
-
-	// The x and y differences
-	float xDiff = xPos - PLAYER_HEAD_X;
-	float yDiff = PLAYER_HEAD_Y - yPos;
-
-	sf::Vector2f pos(xPos, yPos);
-
-	// So we don't declare 100 times in a loop
-	sf::Vector2f incrementedPosition = *screenToBlock(window, pos);
-
-	// How much to increment x and y by
-	double distance = sqrt((xDiff*xDiff) + (yDiff*yDiff));
-	double xStep = (xDiff / distance) * PLAYER_REACH / BLOCK_BREAK_COMPARISONS;
-	double yStep = (yDiff / distance) * PLAYER_REACH / BLOCK_BREAK_COMPARISONS;
 
-	// I'll improve window.player->world some other time
-	// We send out a ray from the player's head (actually increment a position)
-	for (int i = 0; i < BLOCK_BREAK_COMPARISONS; i++) {
-		int inX = (int) floor(incrementedPosition.x);
-		int inY = (int) floor(incrementedPosition.y);
-		if (inX > 0 && inX < WORLD_WIDTH && inY > 0 && inY < WORLD_HEIGHT_LIMIT)
-		if (window.player->world->blocks[inX][inY]->str_type != "air") {
-			window.player->world->b_break(*(window.player->world), inX, inY + 1);
-			return;
+	// Maybe I can do this better? Who knows?
+	if (player) {
+		if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num1)) {
+			player->hotbarPosition = 0;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num2)) {
+			player->hotbarPosition = 1;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num3)) {
+			player->hotbarPosition = 2;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num4)) {
+			player->hotbarPosition = 3;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num5)) {
+			player->hotbarPosition = 4;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num6)) {
+			player->hotbarPosition = 5;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num7)) {
+			player->hotbarPosition = 6;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num8)) {
+			player->hotbarPosition = 7;
+		} if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num9)) {
+			player->hotbarPosition = 8;
 		}
-		// Increment the position
-		incrementedPosition.x += xStep;
-		incrementedPosition.y += yStep;
 	}
 
 }
diff --git a/src/render/m_window.h b/src/render/m_window.h
index 6828002..488483c 100644
--- a/src/render/m_window.h
+++ b/src/render/m_window.h
@@ -27,7 +27,8 @@ class MWindow : public sf::RenderWindow {
 	int state;
 
 	// For mouse press handling
-	bool lastMousePressed;
+	bool lastMousePressedLeft;
+	bool lastMousePressedRight;
 
 	Player* player;
 
@@ -52,8 +53,8 @@ class MWindow : public sf::RenderWindow {
 
 	void add(Renderable* obj);
 
-	void onClick(int x, int y);
-	void offClick(int x, int y); // x and y might be useful here, who knows?
+	void onClick(int x, int y, bool m);
+	void offClick(int x, int y, bool m); // x and y might be useful here, who knows?
 };
 
 void changeState(MWindow& window, bool escape = true);
@@ -61,6 +62,5 @@ void escape(MWindow& window);
 void returnToGame(MWindow& window);
 
 sf::Vector2f* screenToBlock(MWindow& relativeTo, sf::Vector2f& coords);
-void breakBlock(MWindow& window, int xPos, int yPos);
 
 #endif // M_WINDOW_H
diff --git a/src/world/block.cpp b/src/world/block.cpp
index 10fb0b7..df3f4f6 100644
--- a/src/world/block.cpp
+++ b/src/world/block.cpp
@@ -29,6 +29,16 @@ EntityItem* Block::destroy(M2DWorld& world) {
 	return new EntityItem(&world, is, x + 0.5, y + 0.5);
 }
 
+void Block::place(M2DWorld& world, ItemStack* i) {
+	if (i->name != "empty") {
+		setTypeTo(i->name);
+		i->count--;
+		if (i->count == 0) {
+			i->name = "empty";
+		}
+	}
+}
+
 void Block::setTypeTo(std::string type) {
 	str_type = type;
 	itemStack->name = type;
diff --git a/src/world/block.h b/src/world/block.h
index 218f447..b368047 100644
--- a/src/world/block.h
+++ b/src/world/block.h
@@ -25,7 +25,10 @@ class Block : public Renderable {
 	Block(MWindow& window, int x, int y, std::string type="");
 	void render(MWindow& window) const override;
 	void updateSpritePosition(MWindow& relativeTo) override;
+
 	EntityItem* destroy(M2DWorld& world);
+	void place(M2DWorld& world, ItemStack* i);
+
 	void setTypeTo(std::string type);
 };
 
diff --git a/src/world/world.cpp b/src/world/world.cpp
index 172a1b4..ac1edc5 100644
--- a/src/world/world.cpp
+++ b/src/world/world.cpp
@@ -34,6 +34,10 @@ void M2DWorld::render(MWindow& target) const {
 	}
 }
 
-void M2DWorld::b_break(M2DWorld& world, int xPos, int yPos) {
-	blocks[xPos][yPos]->destroy(world);
+void M2DWorld::b_break(int xPos, int yPos) {
+	blocks[xPos][yPos]->destroy(*this);
+}
+
+void M2DWorld::b_place(int xPos, int yPos, ItemStack* i) {
+	blocks[xPos][yPos]->place(*this, i);
 }
diff --git a/src/world/world.h b/src/world/world.h
index 307f6a6..b549ea1 100644
--- a/src/world/world.h
+++ b/src/world/world.h
@@ -3,12 +3,14 @@
 
 #include <iostream>
 #include "../render/renderable.h"
+#include "../item/item_stack.h"
 
 #define WORLD_HEIGHT_LIMIT 16
 #define WORLD_WIDTH 10 // Temporary
 
 class MWindow;
 class Block;
+class ItemStack;
 
 // Represents a world made up of blocks.
 
@@ -26,8 +28,9 @@ class M2DWorld {
 	// Renders every component block
 	void render(MWindow& target) const;
 
-	// Breaking a block
-	void b_break(M2DWorld& world, int xPos, int yPos);
+	// Block updates
+	void b_break(int xPos, int yPos);
+	void b_place(int xPos, int yPos, ItemStack* i);
 };
 
 #endif // M2D_WORLD_H