4M GREEN SCIENCE - POTATO CLOCK

by GREEN SCIENCE
$24.95

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

You recently viewed

Clear recently viewed

Or 6 weekly interest free payments from $4.15 with what's this?