Tin Can Calculator

Tin Can Calculator

Running out of batteries for your calculator? No worries! Recycle tin cans and pencils to generate enough electricity to power a calculator! The tin can calculator makes a cool classroom gadget.

Caution: High Voltage Inspiration and Fun!

 

Includes: 

  • 1 Can Holder
  • 2 Pencils
  • 1 Calculator Holder
  • 1 Calculator with wires
  • 2 Pencil Connectors
  • 2 Pencil Holders
  • 1 Sand Paper Sheet
  • 6 Screws
  • 1 Adhesive Foam
  • 1 Set of Detailed Instructions with Fun Facts.

Also needed but not included:

  • 2 Used and Cleaned Aluminum Soda Cans
  • Pencil Sharpener
  • Water
  • Salt
  • A Small Cross-Head Screwdriver

 

Price: $13.95