Ladybug Racers

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    To make a ladybug racer, you will need half a walnut shell, paint, a marble, and a smooth board at least 46 centimeters long.

    1. 1.

      Paint the walnut shell to look like a ladybug or any other design you like.

    2. 2.

      Place one end of the board on a few books so that the board is slanted.

    3. 3.

      Put a marble under the walnut shell and let it roll down the board.

    Make several racers and have contests with your friends or family, or give them as gifts.