4M - Potato Clock

  • Brand: 4M
  • Product Code: 00-03275
  • Reviews:

$26.95 $21.50
You Save $5.45!

What! No Batteries? Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other ubstances will power the clock youll be amazed! Caution: High Voltage Inspiration and Fun!

Ages: 8+


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