Solar System Perpetual Motion Balance Balls by Naturally Kids™

$15.99

  • A simple product that contains mysterious physics.
  • It converts the energy of the battery into magnetic, repels the magnets on the ring, and constantly produces repulsive forces.
  • So that it keeps swinging. After installing the battery, please swing the iron ring by hand, and this will start!

653 in stock

Description

✅ SMALL SIZE & EASY TO PLAY – It’s a mini desktop toy, and you don’t need much space to place it. There’s no complicated operation, everyone can play.

✅ HELP YOU RELAX – It’s a neat focal point to destress after a busy day at work. When you get bored and feel there is too much pressure, you can put it on your desktop, start it, quietly watching its fascinating swings, it will be fascinating to you. It can kill time and help you relieve stress.

✅ ENTERTAINMENT & EDUCATION – This classic desktop toy provides you many benefits and entertainments, is suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion but also helps to show the laws of Conservation of Momentum and Energy.