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Hi. My daughter is in a science class, and one of the assignments (which is due tomorrow) is to build a model car out of recyclable materials (that will be RACED in class). She is going to race it down a ramp tomorrow, and we need help. We made the body of the car using a candy box, and the wheels using the tops of plastic grapefruit juice bottles. We were thinking of using bamboo sticks for the axles, but we need help in getting the wheels to move. Since we don't have the time, or money to use a drill to drill a hole in the wheels, what should we do?