4M Green Science - Potato Clock

  • Sale
  • Regular price $28.90 NZD
Tax included. Shipping calculated at checkout.

Be a scientist as you discover how to power this digital clock using potatoes and NO batteries. Experiment to find out what other substances will power the clock.

  • Age: 8 years and up
  • Approx package dimensions: 27 x 21 x 6 cms
  • Detailed instructions included
  • Contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips