Portal 2. The copyright for it is held by Valve Corporation, who created the software.  http://theportalwiki.com/wiki/File:Puzzle_Creator_initial_view.png

Lesson Plan One

In this lesson plan students will use Portal 2 Puzzle Maker to engage in a microworld and apply their knowledge of physics.

Lesson Plan Two

In this lesson plan students will collaborate in both the classroom and in a digital microworld to produce a proof of concept device which takes advantage of projectile motion. Students will develop and refine their understandings through the use of Angry Birds as a microworld mindtool.

Angry Bird Plush by Aaron Stroot is licensed under CC BY-NC 2.0