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【Outstanding Design】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.When others approach your office or room, they will also be moved by its elegance. Wonderful decorations for your room and offfice to Improve temperament and noble.
【High Quality】Frosted glass + fishing line + plastic base. The product is made of 100% high-quality materials, is environmentally friendly, safety, durable and Will not cause adverse effects on the human body, please rest assured to use.A unique design idea makes an impression on your guest, friends, and children.
【How To Play】Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.Usually, when under normal circumstances, because different force and environment, the swing time will be different. The balance balls continue in perpetual motion for only 15 seconds due to the resistance of the air and friction.
【Educational Science Gadget】Not only demonstrates a pendulum, but also shows the laws about conservation of momentum and energy. Perfect educational toy to embrace the story and the mystery of science.It an make people concentrate and then gradually relax, are great for psychology, science and physics classrooms.By playing this newtons cradle balls, explore significant values of physics, inspire us to better learn and understand the Newton's laws of motion.
【Multifunction】Classic desk toy, suit for both kids and adults, Apply to psychology, teaching tools and furnishings.Demonstrates Newton's Laws of Motion, excellent for killing boring time and stress release, Frequency swing keeps you in a calm state. It’s not only a toy, but also a good desk decor for office or home, perfect gift for a geek!

Description:
Excellent educational science gadget. Not only demonstrates a pendulum, but also shows the laws of conservation of momentum and energy.
Science toy. When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.
Excellent educational & science gadget, own your very own piece of scientific history and explore significant values of physics.
Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side.
Great for home ornament, study or office desk table decor accessories, etc. Also good for birthday gift and kids toy.
Specification:
Condition: 100% brand new
Shape: Geometric
Product Material: frosted glass balls + fishing line + plastic base
Color: As pictures shown
Size: approx. 15 x 11.5 x 15cm / 5.9 x 4.5 x 5.9in
Battery: 4 x AA batteries(not included)
Occasions: Daily use, Education supplies, Psychotherapy, Birthday present, Business gift
Package Included:
1 x LED Balance Balls Toy
Note:
1.When you use this newton's cradle, please move it in a horizontal line, so the lines will not be tangled.
2.Please don't worry, if it was tangled, you could untangle it still, just need some patience.DIY your own cradle!
3.Please allow 1-2 cm error due to manual measurement and make sure you do not mind before ordering.
4.Please understand that colors may exist chromatic aberration as the different placement of pictures.