A blister pack of 9 CR2032 Lithium Cell Batteries, usually used for remote controls, but, more frequently, computer motherboards. Each battery is 3V.
This is a classic demonstration toy of the powers of magnetic fields!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Learn how solar cells transform light into electrical energy with this great kit!
Learn about hydrogen fuel cells with this incredible kit!
Build a model green house and 9 other green energy-related devices with this great kit!
View the glory of space with this hi-tech telescope set!
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