Help Bitz and her little brother Bob solve fun engineering problems and earn rewards along the way!
In this video Bitz and Bob show you how to make a pinwheel. Watch it spin in the wind!
Can you guess who left each of these animal tracks?
In this video Steve teaches you how to make a soda can pendulum and how you can play a fun trick on your friends with it!
An interactive 3D skeleton to learn all the essential bony anatomy!