How to Build a Car With Rubber Bands & Weights

By Society & Culture & Entertainment Last updated Saturday, June/15/2024

1). Cut a rectangular notch in the cardboard. The notch should be in the center of the shorter side. It should be 2 inches wide and 1/2 inch deep. Remove and discard the notch.
2). Slide the skewer into the outer edge of the cardboard. Make sure it sticks out evenly on both sides and rotates freely. This will be your axle.
3). Find where the skewer meets the notch. Wrap a small piece of tape in the middle of this area to make a "catch" for the rubber band.
4). Hold a washer up to the center of the CD. Slide both onto the skewer. Make sure you leave plenty of room between the wheel and the cardboard. Attach poster putty at each end of the washer. This will connect the axle and the CD to the washer. Repeat this process for the other wheel.
5). Attach one end of the rubber band to the side opposite the axle. Wrap the other end over the catch. Turn the axle several times. When the axle unwinds, your car will propel forward.

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