The ActionFly Newtons Cradle Balance Balls are really fun to watch. The only problem with them is that if you are not careful, you will sit and play with them half the day without realizing it.
The balls show how a pendulum works, as well as demonstrating the Laws of Conservation of Momentum and Energy.
Homeschools could use one for teaching about motion or how pendulums work. Probably several other things that I don’t remember anymore. School was a long time ago for me.
This Newtons Cradle looks really nice too, it has a zig-zag design for a more contemporary look. It is really shiny too.
It is a great conversation piece. I have it on my table and everyone who has come in the house so far has asked about it, and played with it for a few minutes.