This is a standard DC power jack that can be mounted on a chassis for your next hobby electronics project. Measures 2.1mm.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This kit includes several different projects that demonstrate the power of magnets!
Get one of the craziest and coolest kaleidoscopes around!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
This classic desk toy will keep you amused!
Buy Newton's Cradle or balance balls here! This classic science desk toy that will keep you amused and teach you physics.
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