A toy car can be pushed across a floor but is more exciting to watch when it is self-powered. You can make a simple toy car electric motor that will spin a “wheel.” A few hobby supplies are needed, as are some items commonly found around the house. The basic principles of electric propulsion will be demonstrated when you “start up” your toy car electric motor.
- Skill level:
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Things you need
- Bottle cap
- Bonding glue
- Drywall screw
- C battery
- Electric wire
- Wire strippers
- Neodymium disc magnet
Place a sheet of newspaper on a table. Place a bottle cap on the newspaper.
Apply bonding glue to the top of the bottle cap. Place the magnet onto the bottle cap. Let the bonding glue set for an hour.
Apply bonding glue to the top of the magnet. Press the head of the drywall screw against the magnet. Let the bonding glue set for an hour.
Cut a 10-inch strip of electric wire with the scissors. Strip a half inch of insulation off each end of the electric wire with the wire strippers.
Bend the electrical wire near the middle to form a “U” shape.
Put on the work gloves. Hold the battery in one hand with the positive (+) end facing down.
Place one end of the electric wire against the top of the battery. Hold the end of the electric wire to the top of the battery with the fingers of your hand.
Stand the drywall nail on the newspaper with the point facing up. Touch the positive (+) end of the battery to the point of the drywall nail.
Hold the free end of the electric wire in your other hand. Touch the free end of the electric wire to the side of the battery. The drywall nail will start to spin. The bottle cap attached to the magnet has now become a wheel being driven by the toy car electric motor you have made.
Tips and warnings
- You can make two simple electric batteries to install into a toy car to power a pair of wheels.
- Wear protective eye gear when demonstrating how your toy car electric motor works.
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