This fully assembled Arduino shield can drive relays, solenoids, DC and stepper motors.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
The Ball of Whacks is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
This caffeine molecule mug makes an excellent gift!
Build your own windmill generator kit by recycling a plastic bottle!
Ever wonder how to survive in the wilderness? These cards can help!