Chofit Newtons Cradle Balance Balls, Relieve Stress Desk Educational Decoration Z-Shaped Newton PendulumSize:18cm*11cm*19cmWeight:about 500gur: SilverNote: Please clean the balls with wet cloth to clear the ball magnetic first ball swings about 50 times (about 15-20 seconds) with every hit due to frictional resistance, air resistance and other factorsuse the balls with magnetic have a profound impact upon the collision, please use the wet cloth to wipe every ball before you play the balls will collide and move much longer to contact us: – Way one: On this page, click on “Fromcloud” next to “Sold by”, then click on “Ask a question” on the right top of page. – Way two: Log in your store account > choose “Your orders” > find the order ID > click “Contact seller”.
Chofit Newtons Cradle Balance Balls,Relieve Stress Desk Educational Decoration Z-Shaped Newton Pendulum
$57.99
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- Z-shaped newtons cradle for kids science puzzle desk toy newton balls – Medium
- Newtons cradle high quality 5 steal balls,metal frame,nylon thread. Will keep the newtons cradle balance balls in good condition longer.
- Newtons cradle for adults a best choice to relieve stress,also a great idea for schooling youngsters in physics, a special desk decoration whether at home or in the office.
- The ball swings about 50 times (about 15-20 seconds) with every hit due to frictional resistance,air resistance and other factorsuse the balls with magnetic have a profound impact upon the collision,please use the wet cloth to wipe every ball before you play the balls will collide and move much longer.
- Size:18cm*11cm*19cm,Weight:about 500g.
In stock