9-11

Experiments from Arvind Gupta. Gupta is a brilliant Indian educator who translates the big ideas of science into toys that excite curiosity. Construct a magnetic top that makes magnetic objects dance. Discover which materials that are magnetic and which are not.
Test to see which work best.

Where else would you keep your gold? (well, pennies...)
Build a Bank in the shape of a Castle Keep. Shoot your savings into the opening. Elaborate your castle – add a dragon or a knight to keep your fortune safe.

Build an electric maze that challenges the steadiness of your hand.