This orbital perpetual motion fit with 4*AA batteries(not include).It works on the principles of magnetism to perpetually to oscillate.The electronic magnetic make it swinging back and forward movements which provide the relaxation from during the stessful times.It's useful for adults and children to help with autism or ADHD. It's great as a desk toy for your home or office,and also wonderful to be a gift.
- Material: Plastic
- Product size: 4.3*4.39.4
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