Generador de manivela manual, juguetes de experimentos de ciencia, Kits de Material de ensamblaje, rompecabezas hecho a mano de producción pequeña, juguetes para niños

DIY Hand Cranked Generator Science Experiment Toys Assemble Material Kits Small Production Handmade Puzzle ChildrenToys

Product description:

Materials: Wood, plastic wheels, wires, electronic circuitry - Product dimension: 11 x 6 x 10cm

Packaging: 1PCS
Why it's fun:
Kids get to learn about principles of electricity through building their very own electric generator. Just turn the handle to make the pullies spin an electric motor and turn on a light.

Due to manual measurement, there may be an error of 0-3cm. Please understand