TinkerBox is a free physics puzzle game for iOS. It has interesting science facts and teachers basic engineering concepts, in a fun game. You can create machines and share them with others as well as trying to solve the physics-based puzzles and mechanical concepts. It takes creativity and problem solving skills to be successful.
It is from Autodesk, creators of the CAD software AutoCad.
This is a great app for students in physics or engineering, or anyone who likes problem solving and puzzles.
Share it with your students and colleagues.
App Store: http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=415722219&mt=8