WANGE Mechanical Engineering Lift 1304 Building Blocks Educational Learning Toy Set

3 different ways of playing: 1. Lift: Through the pinion with large gear reduction principle and the application of the fixed pulley, the lifting box can be lifted up and down, and then the lifting height can be arbitrarily controlled by the ratchet pawl. 2. Crane: Through the use of fixed pulley and ratchet pawl, the crane can control the height of the object at will, and realize the lifting and lowering of the object. 3. Rotating chair: The rotating chair uses the number of teeth, the same number of gears when the gears mesh with the same speed, the large gear drives the pinion to accelerate, resulting in two-speed rotation and acceleration.

Product description

• Material: Environmentally friendly ABS
• Number of pieces: 68 Pcs
• Retail box size: 33cm x 23.2cm x 6.5cm