Newton's Cradle Steel Balance Balls

Newton's Cradle Steel Balance Balls 

Gelsonlab HSPD-058 High quality  Newtons Cradle Balance Balls Physics Newtown Pendulum balls Office Desk Toy

   
The set of  balance balls is particularly suitable for the place such as office, desk table,computer table etc.
Newton's Cradle Steel Balance Balls is a best and useful gift for children to arouse his/her interest in physics.
Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
Friction and damping effects are also observed.
Pull up one ball and release,only one ball in the other side moves,pull up two,two balls will react, and so on.
When you are sleepless,just move your eyes with the bump of the ball,then you may slowly,slowly falling asleep.
Watching the bump of  the ball is a special way to pass the dull hours.
Material:Solid steel ball,Nylon plumb line,ABS plastic frames and base.
Color:The base is Claret-red,the rest are Silver.
                                                             
A great apparatus for demonstrating Newton's Third Law of Motion and the principle of Conservation of Momentum. The new design provides for better results, stability and quality.                                                                     

Dimension of wooden base: 12x10x10cm,Diamter of ball: 2cm