Making rubber band cars go is playtime learning when your kids build them themselves. Rubber band powered toys are lots of fun to make and teach children some basic engineering skills at the same time. This simple project will turn an empty fizzy drink bottle into a carpet racer using simple tools and easily found materials. Experiment with different designs or have a contest to see who makes the fastest rubber band racer.
Things you need
- Wire pliers
- Plastic fizzy drink bottle with lid
- Wire coat hanger
- 4 large thread spools
- Duct tape
- Heavy drinking straw
- 2 small rubber bands
Cut the straw into two 7.5-cm (3-inch) pieces.
Glue one of the straw pieces across the top of the bottle's label. Glue the other straw across the bottom of the label parallel to the first straw piece. These form your car's axle.
Cut the hanger with wire pliers to remove the top. Cut a straight 15-cm (6-inch) piece off the hanger with the wire pliers.
Push the wire into the hole in a thread spool and bend the end up. Put a piece of duct tape over the bent up wire to hold it. Slide the wire into the front straw and attach the other spool in the same manner.
Cut each rubber band so they no longer form circles. Tie the rubber bands together end to end. Push them through the rear straw leaving the ends hanging out.
Push one end of the rubber band through a thread spool, clip a paper clip onto it and tape the clip to the end of the spool. Pull the other end of the rubber band through the other spool and slide a crayon through the loop. You can use the crayon to wind up the rubber band.
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