Brush Bots

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Teaches participants about basic electricity and closed circuits.

Materials

  • Toothbrushes - 1 per participant
  • Pager motors - 1 per participant
  • Watch batter (CR2025?) - 1 per participant
  • Double-sided tape - 1" per participant
  • Optional
    • Acrylic paint
    • Paper plates
    • Paper

Preparation

  1. Cut brush heads of toothbrushes
  2. Squirt paint in distinct blobs on paper plates

Presentation

  1. Cut tape
  2. Stick the stuff to the other stuff

STEM Application

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