Product Review

Meffert's puzzles: gear shift - the halves can be separated at the core in 3 different directions. Once the halves are separated, each of the 8 meshing gears can spin independently changing the shape of the puzzle. > Uwe meffert's puzzles: an original since 1976. Uwe Meffert started designing rotational puzzles in in 1976 with the invention of the pyramid. Since then, he has created over 100 styles of rotational puzzles that are distributed worldwide. Uwe is a leading designer in the puzzle community and delights in finding intriguing new ways to puzzle his fans.