Newton's Cradle Pendulum - LED Light Up Balance Swing Ball Desk Toy for Kids & Adults | Perpetual Motion Science Gadget for Office & Home Decor | Stress Relief & Educational Gift (Red)
$9.57
$17.4
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Description
Package Includes: 1 x Cradle LED Light Up Science Toys Home Office Decor
Features
?Not only demonstrate a pendulum, but also show the law of conservation of energy
?Glowing Newton ball swing more dazzling at night, the base has a luminous plate, projected onto the glass beads, glass beads showing colorful, very attractive
?Friction and damping effects can be observed
?Include steel balls, plastic frames and base. Batteries:4 x AA batteries(Not Included)
?Don’t hesitate to contact us with any issues or questions, our dedicated customer support team is always at your service.
