4M - Eco Engineering - Water Powered Clock

Grasshopper

$34.00 

Just add water and magic -the clock begins to work! Build this water-powered clock and learn about how batteries work. Contents: Clock frame, water container, clock module and rear case, zinc strip, copper strips, wire, electrode holders, screws and details instructions. You will also need (but not included) a small crosshead screwdriver, table salt and sticky tape.

Features:

  • Clean energy!
  • Power this digital clock by simply using water.
  • Experience the power of green energy
  • No batteries required

Suitable for ages 8 & up

Availability: 1 in stock

Grasshopper

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