Meffert Twisters
Uwe Meffert started designing rotational puzzles in 1970 with the invention of the Pyraminx.
Hollow Cube
The Hollow Series presents an intriguing, innovative advance in twisty puzzles. The no-core puzzles’ movements are unlike anything experienced by even the most experienced puzzle-solver. With a combination of inventive gameplay and stunning design, Meffert Hollow series are one part gift, one part puzzle, one part treasure!
. for Ages 14 and up