Description
- Strong line-- 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.
- Application--You can put it on your office desk or your home desk or on your shelf. It will be cool desk toy.
- Satisfaction Guranteed--If there is any problem with your product, please contact us in time, we will definitely help to solve it
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 Glass base +Stainless steel balls & structure Occasions: Daily use, Education supplies, Psychotherapy, Birthday present, Business gift Package: 1x Frame with 5 balls 1x Glass base Warm Prompt: When you use this newton\'s cradle, please move it in a horizontal line, so the lines will not be tangled. Please don\'t worry, if it was tangled, you could untangle it still, just need some patience.DIY your own cradle!