RuenTech Z-shaped Zigzag Newtons Cradle Metal Balance Balls

Approximately 18*11*19cm . Stainless steel swinging balls and base, using these 5 swinging spheres to show conservation of momentum and energy. As the ball are steel, the 5 swinging spheres will be securely mounted in the metal base by strong strings

A amazing toy for child - There are many different ways of playing newton's cradle balance balls, you can play the newton's cradle balance balls with your child in different ways, stimulate the child's creativity. The relationship will be become more intimate between you and your child. (Please search on the Internet about the way of playing)

The moral of newton's Cradle Balance Balls - People often say that In our world nothing seems constant. But this newton's cradle has a moral, which meas that a symbol of eternal love. It's a very romantic gift for your lover

Excellent educational & science gadget - Physics class is a real headache for student, use newton's cradle to make your physics class learning as intereting as play game. You can also put it in your office or at home as desk decoration

Package and Warranty Policy: 1*Newton's Cradle Desktop and 1 year warranty, if you have any questions, please don't hesitate to contact us, your satisfaction is our first priority