Learn about electromagnetics as you transform a screw into a magnetic striker. Use it to complete an electric circuit and construct this handy doorbell!Set contains: Plastic chassis Metal bell Copper wire Screws Detailed instructionsAlso required but not p
Learn about electromagnetics as you transform a screw into a magnetic striker. Use it to complete an electric circuit and construct this handy doorbell!
Set contains:
Plastic chassis
Metal bell
Copper wire
Screws
Detailed instructions
Also required but not provided: 2 x 1.5V AA battery and a small crosshead screwdriver.)
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