Description
- Brand Name: VKTECH
- Origin: CN(Origin)
- Theme: LANDSCAPE
- Style: Modern
- Material: PVC
Electric Newtons Cradle Steel Balance Ball Physics Science Pendulum Toy Desk Office Educational Development Ornament
Principle: Swing it by hand/external force or be powered by 4 X AA batteries(Not including) to convert the energy to make it keep swinging until the battery power is used up (continuous swaying for about 10 days). Features: Specification: Notes:
1 X Balance Ball Physics Science Pendulum Ornament
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