Strong Line: Our newton cradle use high quality nylon line which is strong enough to not be broken easily
Black wooden base: the hard wooden base can keep the smooth operation of the newton's cradle balance balls
Swing time--The balance balls continue in perpetual motion for only 15-25 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
More Durable and Rustless: With steel frame and 5pcs high polished smooth steel balance balls, which is more durable and easy to transfer and store more energy when collide
Applicating--Apply to psychology, teaching tools and furnishings. Frequency swing keeps you in a calm state

Newton's Cradle Balance Balls, more types of impact combination.Players can enjoy the creativity and experience the fun of physics.

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

Specifications:
Size: 5.2*4*5.5cm/ 2*1.57*2.17inch
Material: Solid wood, stainless steel balls & structure

Package:
1x Frame with 5 balls
1x Wooden Base

SUGGESTION:
Please do not pull-up to a too high degree ,45°will be proper.

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