Human powered energy is the kinetic power source for all these products, a little effort, gives such a great reward. Hours of fun for children in the playground.
RotoGen products are self-sufficient and self-contained electronic products that do not require any hard wiring for power, or any batteries changed on a regular basis.
Turn the dynamo rotor to generate the power, which will give you enough power to play the activity. We have work hard to make all our RotoGen products as intuitive as possible, so they are easy and safe to use.