Tin Can Calculator
nothing
4M Tin Can Calculator
$18.99
- Can Calculator – Recreate your own battery in 2 recycled soda cans and run a calculator!
- No more batteries in your calculator? No problems! Recycle 2 soda cans, 2 pencils and generate enough electricity to run the calculator!
- An ideal gadget for classroom fries. !
- The battery works with salt water.
- Suitable for ages 8 years and up with 18 pieces, not including cans
In stock
Additional information
Weight | 0.16 kg |
---|---|
brand | 4M |
dimensions | 21.8 x 17.2 x 5.8 cm; 160 Grams |