• 4M Potato Clock

  • The 4M Potato Clock teaches young minds the value of green energy in an illuminating way. The Potato Clock uses a pair of ordinary spuds to power a digital clock. This kit includes a digital clock, wires and prongs; two potatoes are all that's needed to create a working clock. This kit is ideal for young science enthusiasts, and offers a valuable lesson on the transformative power of green science. Detailed assembly instructions included. No batteries required.
  • Manufacturer: 4M
  • More products from seller: Amazon
  • Your price: USD 10.63
      (as of 2018-11-13 21:41 UTC - More info)
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