"role ENTERPRISES, INC."

A redefined and extremely robust hand-held gyroscope.

Power your creation with wind.

Time to Get Nerdy!

Design and build a hydraulic claw that works like the ones in the arcade.

This aluminum tuning fork has sliding weights on each tine.

Even frequencies make harmonic relationships clear and calculations easier.

Harness the clean, green power of wind to move your car.

Stuffed elephant.

Wiggle-Bots are motorized contraptions that are designed and built by kids.

100 feet of extra tubing for TeacherGeek projects.