4M - Green Science - Tin Can Calculator

Grasshopper

$29.00 

Running out of batteries for your calculator? No worries! Recycle tin cans and pencils to generate enough electricity to power a calculator.

Contains:

  • 1 can holder
  • 2 pencils
  • 1 white wire
  • 1 calculator holder
  • 1 calculator with wires
  • 2 pencil connectors
  • 2 pencil holders
  • 1 sand paper sheet
  • 6 screws
  • 1 adhesive foam
  • Detailed instructions

Requires 2 used and cleaned aluminium soda cans, pencil sharpener, water, salt, small cross-head screwdriver not included

  • Ages: 8+
Availability: 1 in stock

Grasshopper

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