4M صناعة الأله الحاسبة من علب الصفيح - 03360

The Tin Can Calculator Kit makes a cool classroom gadget. You don’t have to worry about running out of batteries on your calculator! You can create your own green calculator that is empowered by alternative energy. The Tin Can Calculator Kit allows you to build a power source for the enclosed calculator with 2 recycled soda cans and pencils. Easy to build, fun to watch, great to learn about electricity and energy, this kids green science kit will introduce an idea how to make kids’ own batteries.
Kit includes:
1 x can holder
2 x pencils
1 x white wire
1 x calculator holder
1 x calculator with wires
2 x pencil connectors
2 x pencil holders
1 x sand paper sheet
6 x screws
1 x adhesive foam