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Step 3Power switch
Put the batteries into the battery holder.
Place a small piece of paper between one end of a battery and the battery holder. This piece of paper will prevent the motor from turning on right away when we make the electrical connection in Step 5.
Place a small piece of paper between one end of a battery and the battery holder. This piece of paper will prevent the motor from turning on right away when we make the electrical connection in Step 5.
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