ZJchao Perpetual Motion Machine, Electronic Swinging Model, Art Craft Decoration Perpetual Motion Swing Balance Balls Office Desk Science Ornament

Easy to install, perpetual motion is a piece of revolving art for your desk, decoration for space themed parties This celestial perpetual motion are made from ABS plastic and metal, an exquisite decoration that can be placed in house,school or office It is a good tool to relieve stress, spend boring time, or teach student in physic physical model as well as a great office decoration Magnetic swing - Installed with 4x AA batteries(not included), gently move it and the colorful wheel will start off slowly and rotating It is a nice gift, we can send it to our friends, family. They'll be very happy to receive this

Product Dimensions: 10.63 x 4.13 x 4.13 inches Item Weight: 7.8 ounces Manufacturer: ZJchao ASIN: B07MFDT4MN Customer Reviews: 3.7 out of 5 stars Assembly required: No Batteries required: No