🐞 Finding the bug

When it doesn’t work, find the one step that went wrong.

1. Ages 6–8

   • WhistlePalsCan you catch the grown-up’s oops?

2. Ages 9–14

   • BugTalesWhich line is the bug on?
   • TraceForgeWhat will this program print?

3. Ages 15–18

   • KindForgeWill this program compile?
   • RaceForgeWhat could a data race lose?

Next idea: 🧮 Multiplying →