These AA battery holders with wires and switch can house four AA batteries, and you will find they are excellent for use in any hobby or science project. Each holder includes wire leads for easy hook-up, as well as a simple on/off switch, allowing you to exert greater control over your project and battery use. Recommended for electronics applications, science fair projects, and more! Set includes 10 holders.
Defy gravity with this cool balancing eagle!
Easily assemble a working alarm motion detector!
Get swept away by this fantastic robot kit that uses vibrations to move!
Is it a demonstration of a scientific law or a work of art?
Build a hand that realistically moves its fingers using shape memory allow technology!
Build a model green house and 9 other green energy-related devices with this great kit!
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