Bucky balls are nothing more than a nearly sphere shaped object with each of its faces being either hexagons or pentagons. They resemble the pattern on a soccer ball.
If you’ve never played with Buckyballs before, you’re missing out on a ton of fun. Created by Jake Bronstein and Craig Zucker, the buckyballs is a set of 216 rare earth magnets that you can shape, mold, tear apart and snap back into virtually unlimited shapes.
With Buckyballs you can build basic shapes, complex sculptures, magnetic jewelry, or even outfit your refrigerator in bold and unique ways.
The video explains it better.