Over $100

The future of energy engineering begins at home. With this kit, kids can construct and experiment with a model house that demonstrates various aspe...

An intuitive, state-of-the-art kit that demonstrates how renewable energy is generated and consumed! Designed for both home and school use, this co...

The science of nanotechnology deals with the smallest structures, in the range of one to 100 nanometers in size. That's as small as just a few atom...