Assemble your mini robot, then add salty water to the power compartment and off it goes! No batteries required! This little robot is powered by the chemical reaction of salt water and charcoal, and is safe and non-toxic.
The kit is a fantastic hands-on learning experience that illustrates the value of green energy sources.
- Approx 5.5cm when built.
- Contains a set of plastic mechanical parts (assembly required) and detailed instructions.
- Not included but also needed: screwdriver, table salt and a tea spoon.
- Recommended age: 8+ years. Contains small parts.