Set of 4 single AA battery holders that snap together to form either parallel or series connection.
By using these 4 battery holders you can get 1.5V, 3V, 4.5V or 6V (series connection) or get 4x current at 1.5V (parallel connection).
Great, versatile AA battery holders for any electricity project.
Exciting magnet exploration for ages 8 and up!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Perform awesome experiments using everyday materials found in any kitchen!
Use this awesome prism to teach about optics and light in the classroom setting!
Get swept away by this fantastic robot kit that uses vibrations to move!
This glass Erlenmeyer mug makes an excellent gift!
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