Learn the basic principle of operation behind an electric bell. Great for science fair projects.
Operates on 3- to 6-V DC battery or 6- to 10-V AC transformer.
The coils and terminals are enclosed under a snap-on metal cover.
Bell is removable for use as a buzzer. Mountable.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
This SUPER Erector Construction set is one of the best you'll find anywhere!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This simple but amusing magnetic toy will keep you busy for hours!
Make the coolest 3D pin art on your desk with this amazing desk toy.
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