Bonatech STEM Assembling Toys Science Experiment Kit for Children's Maker

In line with the US STEM education philosophy which includes ScienceTechnology Engineering Mathematics With a motor and two-stage belt deceleration the torque output of the motor and the slow and stable operation of the elevator are guaranteed. Secondly the moving pulley on the top of the elevator can effectively reduce the load of the motor and prolong the service life. It is convenient for us to use the dual-router. Accurate control of the start and stop of the elevator. Manufactured by BONATECH. It is an assembly toy kit. What are you waiting for? Grasp the assembly and explore it! One year warranty. Your satisfaction is our priority any questions about our item feel free to contact us! Enhance creativity:use tools accessories materials to create ideas. Companionship is the longest confessionKnowledge and happiness are the best gifts for children.