This is a conveniently packaged CR2032 battery with wire leads and connector already attached. These are lithium alkaline (non-rechargeable). They are usually used for remote controls, computer motherboards (CMOS) for PCs, laptops, notebooks, etc. They are also great for powering brush robot, bristle bots and toothbrush bots projects. Each battery is 3V and 210mAh.
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Get swept away by this fantastic robot kit that uses vibrations to move!
Create beautiful art with this amazing sun paper!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Learn about detective science through this fun fingerprinting kit!
See the constellations visible in the Northern Hemisphere on this watch!