Children can steer themselves from short and fat to tall and skinny.
Solar cooked hot dogs really do taste better
when it quit working I’d say, “can you figure out what’s wrong?”
The Faucet, the Lock and the Lawn mower engine and more.
Make this magnetic marble roll with the kids, then watch them enjoy constructing infinite paths for the marbles.
A solar hot dog cooker and a solar kid warmer got kids thinking about energy from the sun