"Controlling Our World" poster presentation and resources given at the Scratch@MIT 2014 conference. Use them to easily learn how to use an Arduino with Scratch.
DebugMe studio is a collection of projects for debugging challenges and/or training paths
You have to investigate why the projects do not work and find how to fix the problem
After teaching students some basics (stage, sprites, costumes, loops, movement, ask/answer, broadcast/receive, variables), I challenged them to create their own projects.