This handy battery shield can be used to power all of your science and electronics hobby projects. Great for teachers - no more wasting AA batteries! Just re-charge your 18650 lithium battery over night and you are ready for a full day of class room experiments. With outputs of 3V and 5V DC you can use this shield with a variety of circuits with lightbulbs, buzzers, DC motors, LEDs, etc.
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
This science kit is an essential introduction to physics knowledge!
This project book and sample kit introduces you to shape-memory alloy technology!
This caffeine molecule mug makes an excellent gift!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
This SUPER Erector Construction set is one of the best you'll find anywhere!
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