Science Fair Projects Kits Review

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Science Fair Projects Kit Name -

Photo Sensor with Control Relay

Science Fair Projects Kits Review Photo Sensor with Control Relay


Brief Description of this Kit:

Rig your own night light or switch just about any appliance on or off in light or darkness.
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For your science fair projects, you might want more information on how this kit can help. If so, click on the "hobbytron" link above to visit our sponsor
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