⚡ Ignite Curiosity with Every Swing!
The Kit - Physics Balance Balls is a 7-inch tall Newton's Cradle featuring 5 metal balls, designed to demonstrate the principles of kinetic energy and the Laws of Conservation of Momentum and Energy. Its sleek black base makes it an ideal desktop display for any professional setting.
S**O
As Expected
What can I say? They're just like all of the others I've seen before. We've played with them some and they do what they're supposed to do. They've not broken or tangled. I see no problems with this product.
L**S
Beautiful, high quality product
Beautiful, high quality product. My teenage grandson loves it for his desk. He has shown me over a dozen different ways to be entertained by this thing (steel ball thing?) They are hypnotic.
A**R
Don’t buy!!!!
Piece of junk, it came in with all tangled. We could never untangle it.
B**R
Four Stars
Not the quality I had hoped for. Works, but stops sooner that I hoped.
L**L
Good quality for decent price
Sturdy enough for the price. Decent size and weight of balls. It has nylon strings that can tangle so be careful. Great for desk and it's hard not to "clack" them when walking by.
J**H
Five Stars
I am impressed with the Newton's Cradle kit
L**Y
Fun for 30-40 seconds.
Kind of cool but only for less than a minute. Tried every level surface. Even brought out an actual craftsman level. Looks cool sitting on the desk though.
C**S
Nope
Broke as we took it out of box. Haven't had the time to even ask to return it. Disappointed
Trustpilot
1 week ago
1 month ago
