4M-Green Science Tin Can Edge Detector

4M-Green Science Tin Can Edge Detector

  • Item: 4939
  • UPC: 085761224490

Build your own edge detecting robot using a recyclable soda can. Watch it glide across the table without tipping over. You will need an empty soda can, a small crosshead screwdriver and one AAA battery. 8yrs and up

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