Perpetual Motion Instrument Desktop Machine Silver

Perpetual Motion Instrument Desktop Machine Silver Description

Description This is a perpetual movement model. The force is applied by the force of the hand and then the energy converted by the battery continues to swing until the battery is running out. It can be a fashion desktop ornament for home or office use. Features - Material: Iron, plastic. - Size: 10.50X10.50X31.00cm/4.13X4.13X12.18in. - Battery: 4 AA batteries.(not included) - Beautiful and desktop decoration with exquisite details. - Great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms. - It can be given as a gift to relatives and friends. - Can be a good ornament for your home. Give you a different feel and happy mood. - It can be a good photo prop for you to take some unforgettable pics with friends. Beautiful and desktop decoration with exquisite details. Great for those enthusiastic about science or to demonstrate the laws of physics in science classrooms. It can be given as a gift to relatives and friends. Can be a good ornament for your home. Give you a different feel and happy mood. It can be a good photo prop for you to take some unforgettable pics with friends.