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How to Make a Toy Car Using Rubber Bands

Making toy cars using rubber bands is a lot of fun to do with children. Rubber bands can be used for power or for traction. A toy car that uses a mouse trap is a fast, fun little car. The spring in the mouse trap releases energy to the wheels, that are wrapped in rubber bands, for traction. Get a few kids together and make several for a race. Adult supervision is highly recommended in building a toy car using rubber bands.

Things You'll Need

  • Mouse trap
  • 2 metal rods
  • 4 small eye hole screws
  • Plywood
  • 2 rubber bands
  • String
  • Washers
  • Drill with 3.7mm bit
  • Jig saw
  • Hammer
  • Vice
  • Hacksaw
  • Wood file
  • Wood glue
  • 2 part epoxy
  • Pliers
  • Jewelers file
  • Drafting compass
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Instructions

    • 1

      Pull out the wire that holds the trap open, using the pliers. Keep this wire for later use. Remove the bait holder on the mouse trap. Remove any staples that may be present on the trap.

    • 2

      Screw the eye hooks into an end of the trap. Place them 8 mm from the edge of the trap. You may need to drill a small starter hole to keep the wood from splitting.

    • 3

      Use the drafting compass to draw two, 75 mm circles on the plywood. Cut them out with the jig saw. File the edges smooth with the wood file.

    • 4

      Place the rods side by side to see if they are exactly the same size. Cut and file to the right length if needed.

    • 5

      Using the hack saw, cut approximately half way through one rod. File the cut so it is wide enough for the previously removed wire to fit.

    • 6

      Cut the wire to 7 mm. Glue the end of this wire into the slot just cut with the two-part epoxy. Let this dry overnight.

    • 7

      Position the wire that is now dry to the back of the mouse trap. Slide the other wire through the eye hole screws.

    • 8

      Place the washers on the wires. With the drill and 3.7 mm bit, drill a hole in the center of the wheels. Slide the wheels on to the rods.

    • 9

      Tie the string in the center clamp on the mouse trap. Stretch the string to the end and tie it to the axle. Trim off loose ends.

    • 10

      Wrap the rubber bands around the wheels. Glue them in place.

    • 11

      Lift the clamp of the trap enough to get the loop end of the string over the wire on the rear axle. Pull the car backwards so that the string winds around the axle and lifts the clamp on the mouse trap. Sit the car on the floor and let it go.


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