Dotsog Newtons Cradle Classic Newton's Balance Balls Desk Toy Home Decorations For Office Physics Teacher Toys Steel Ball

Strong line-- Instead of cheap fishing line which other sellers used, our newton cradle use high quality nylon line which is strong enough to not be broken easily

SWING TIME--The balance balls continue in perpetual motion for only 15-20 seconds due to the resistance of the air and friction, but it won't influence the effect of playing although it can not reach the seamless convergence among balls in the vacuum.

PHYSICS EDUCATION TOY--It is a nice gift, we can send it to our friends, children, family.

Product Description:

Principle: Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.

Attention: Friction and damping effects are inevitable

This classic desktop toy provides you many benefits and entertainments, is suitable for various locations such as house or office, and is an intriguing device that not only demonstrates pendulum motion, but also helps to show the laws of Conservation of Momentum and Energy. Whether you are studying physics knowledge or looking for a delicate gift, this balance ball is definitely what you really want.

Specifications:

Size: 5.5x5.1x4.4 in

Material: Solid plastic base +Stainless steel balls & structure

Occasions: Daily use, Education supplies, Psychotherapy, Birthday present, Business gift

Package:

1x Frame with 5 balls

1x Wooden Base

Warm Prompt:

When you use this newton's cradle, please move it in a horizontal line, so the lines will not be tangled.