Description: Kids Student Physics Scientific Experimental Educational Toy - Electric Sweeping Robot Model. It's about the physics mechanical principle, electrical energy converted to mechanical energy, fixed pulley transmission, friction force. Assemble the toy according to the manual, placed battery (not included) and turned on the circuit, after the motor is energized, the gear set decelerates and the drive pulley rotates. The belt drives the sponge to rotate, and the sponge friction to the ground. Great for kids to learn physics knowledge, intelligence development, training practice skill, creativity. As a family education resource, enhance parent - kids relationship. Suit for 6 year old kids and above. Specification: Material: Environement-friendly Plastic Assembly size (LxWxH): 116x125x123mm / 4.6x4.9x4.8 inch Package Includes: 1 Set Electric Sweeping Robot Model 1 Piece Manual
