Cultivate hands-on awareness at early educational period is necessary. This hand generator is easy to DIY assemble, which is good to exercise your child's hands-on skills and understand simple mechanical principles. Wooden hand generator, allow kids to use their imagination, graffiti freely, create a toy of her or his own. Features -Color:Beige -Material:Wood -Size:15.00X12.00X8.50cm/5.89X4.72X3.34in -Note: The light bulb is random color. - Made of wood material, the hand crank generator toy is not easy to damage. - The hand crank generator can bring interests to people, improve their hands on ability and concentration. - Manual assembly hand crank generator model, nice to help your child's developmental skills and learning mind. - Driven to rotate, the motor rotates to generate current, and current is output to the light bulb, so as to light the light bulb. - Creative and intelligent model toy, an experiment and teaching generator model, which will help your study in physics class. Package list: 1 x generator