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Product: GLOGLOW Newtons Cradle Balance Balls, Colorful LED Light Pendulum Balls Science Physical Stress Relief Toy for Home Office Desk Ornament Gift(Battery Not Included)(S)

Specification:
Item Type: Balanced Balls Toy
Optional Size: S, MS: Approx. 12 x 12 x 9cm / 4.7 x 4.7 x 3.5inM: Approx. 15 x 15 x 11.5cm / 5.9 x 5.9 x 4.5in
Color: Fuchsia
Battery: 4 x AA batteries (battery not included)

Package List:
1 X Balanced Balls Toy

Newton's Laws of Motion---This Newton's cradle balance ball toy is a good practice of physics in action demonstrates the principles of energy and conservation of momentum. Pull one or more of the balls, release them and the same number of balls will swing on the other side.
Colorful Swing Balls---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.
Stress Release---When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease. Suit for both kids and adults, excellent for killing boring time and stress release.
Multi Function---Elegant decor and stylish design make it a great desk decoration for your bedroom or office. Also good for birthday gift and kids toy.
Quality Guarantee---We supply 1 year warranty, 30 days money back, 7x24 hours email support. If you have any problem, please don't hesitate to contact us, we will try our best to solve it for you. GLOGLOW S