Build this amazing windmill generator and learn about renewable energy. Watch the LED glow as it is powered by free energy from the wind. No batteries required!

This ultra smart weather station has many functions. You can keep track of weather changes, learn facts about the weather and do experiments on the greenhouse effect. When you have finished exploring you can recycle the bottle and make your very own mini green house.

Turn a simple toy motor into a generator that converts hand motion into electrical energy and powers a light bulb. No battery, no pollution, just amazement. The generator could be used as an awesome emergency torch. Caution: High voltage inspiration!

Recycle a soda can and turn it into a cool robotic bug. Switch it on and watch it vibrate causing it to slide across the floor. It even emits a "buzz" as it moves along - just like a real bug. It's an awesome robotic science kit.

What! No Batteries? Be a scientist as you discover how to power this digital clock using potatoes.

Robot on the go! This flexible little guy slides on smooth floor surfaces, a robotic mobile sweeper with dynamic sweeping strengths that can help remove dirt anytime you need.