A blister pack of 9 CR2032 Lithium Cell Batteries, usually used for remote controls, but, more frequently, computer motherboards. Each battery is 3V.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Build 14 assorted solar robots, some of which can travel over water!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
This glass Erlenmeyer mug makes an excellent gift!
This microscope is so versatile you can even take it with you on a job site!
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