This CR2032 battery holder is great for science and electronics hobby projects. Use it for your brush/bristle bots, wearable electronics, portable light-up circuits and more! It has a built-in on/off switch to extend the life of your battery.
Experience this sphere powered by the sun!
This quality Dobsonian style telescope features a 76 mm aperture reflector optical tube.
Defy gravity with this cool balancing eagle!
This magic bird defies gravity before your very eyes!
Ever wonder how to survive in the wilderness? These cards can help!
Working model representing the sun, earth, and moon and their relationships.
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