Gear Ball Black – Meffert’s Rotation Brain Teaser Puzzle

This puzzle is very similar to the Gear Cube puzzle by Oskar van Deventer. There is a ball on the inside that all the pieces slide on top of. This is a very smooth moving puzzle. The gears are in much the same fashion as the Gear Cube. A well made puzzle to solve and a fun puzzle to watch your friends try to solve.

Designed by Oskar van Deventer and Uwe Meffert