diff --git a/_extensions/r3-theme/_extension.yml b/_extensions/r3-theme/_extension.yml
index 5c6013d..544e82b 100644
--- a/_extensions/r3-theme/_extension.yml
+++ b/_extensions/r3-theme/_extension.yml
@@ -3,6 +3,8 @@ author: Luke W. Johnston
 version: 1.0.6
 quarto-required: ">=1.5.0"
 contributes:
+  shortcodes:
+    - text-snippet.lua
   format:
     common:
       shortcodes:
diff --git a/_extensions/r3-theme/text-snippet.lua b/_extensions/r3-theme/text-snippet.lua
new file mode 100644
index 0000000..92f4474
--- /dev/null
+++ b/_extensions/r3-theme/text-snippet.lua
@@ -0,0 +1,77 @@
+local review_note = [[
+::: {.callout-note appearance="minimal" collapse="true"}
+## :teacher: Instructor note
+
+Before beginning, get them to recall what they remember of the previous
+session, either with something like Mentimeter, verbally, or using hands
+/ stickies / origami hats. Preferably something that will allow everyone
+to participate, not just the ones who are more comfortable being vocal
+to the whole group.
+
+Depending on what they write, you may need to briefly go over the previous
+session.
+:::
+]]
+
+local sticky_up = [[
+::: {.callout-tip appearance="default"}
+When you're ready to continue, place the sticky/paper hat on your
+computer to indicate this to the instructor :womans_hat: :tophat:
+:::
+]]
+
+local faq_text = [[
+Throughout the many times we've taught this course and others, we
+get asked a lot of questions. We have a [Frequently Asked
+Questions](https://guides.rostools.org/faq) page for keeping track of
+some of these questions. Check out this page, maybe your question has
+already been answered!
+]]
+
+local wip = [[
+::: {.callout-warning appearance="default"}
+🚧 This section is being actively worked on. 🚧
+:::
+]]
+
+-- TODO: This doesn't trigger the r chunk to execute
+local code_appendix = [[
+::: {.callout-tip appearance="minimal" icon="false" collapse="true"}
+## Code used in section
+
+This lists *some*, but not all, of the code used in the section. Some code is
+incorporated into Markdown content, so is harder to automatically list here in
+a code chunk. The code below also includes the code from the exercises.
+
+<!-- The stringr subset removes code chunks that aren't shown or typed by the learner. -->
+```{r code-appendix}
+#| echo: false
+#| eval: false
+#| ref-label: !expr stringr::str_subset(knitr::all_labels(), "^(unnamed-chunk-.*|purl-only-.*|setup|fig-.*)", negate = TRUE)
+```
+:::
+]]
+
+local discord_text = [[
+If you want to get help virtually or after the course, you can join the
+[Discord channel](https://discord.gg/WKyTF5yXBJ) where you can ask questions
+in the `questions-or-advice` text channel.
+]]
+
+function text_snippet(args)
+  local snippet_type = pandoc.utils.stringify(args[1])
+
+  if snippet_type == "review_note" then
+    return quarto.utils.string_to_blocks(review_note)
+  elseif snippet_type == "sticky_up" then
+    return quarto.utils.string_to_blocks(sticky_up)
+  elseif snippet_type == "wip" then
+    return quarto.utils.string_to_blocks(wip)
+  elseif snippet_type == "faq_text" then
+    return quarto.utils.string_to_blocks(faq_text)
+  elseif snippet_type == "discord_text" then
+    return quarto.utils.string_to_blocks(discord_text)
+  elseif snippet_type == "code_appendix" then
+    return quarto.utils.string_to_blocks(code_appendix)
+  end
+end