Potato Clock

426 Toysmith

$ 16.99 

Sorry, this item is out of stock


What!? No batteries? Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock - you'll be amazed! Caution! High voltage inspiration and fun! 


  • digital clock with wires
  • pots
  • connecting wire
  • transparent tapes
  • copper and zinc strips
  • detailed instructions