Save with this pack of 10 buzzers. 9 Volts DC 400Hz. Great for Morse code circuits.
Works on 3 V DC (any 9V battery will do.)
Create your own circuits or test batteries and solar cells with this buzzer. Connect it to a battery and a key switch to make your own Morse code circuit.
See the solar system in action!
This classic device is used to demonstrate the conservation of mechanical energy.
Learn Chemistry While Creating Sweet Treats
Use this awesome prism to teach about optics and light in the classroom setting!
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 simple but amusing magnetic toy will keep you busy for hours!
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