|Object||Mix up the cube and put it back to the start.|
|Difficulty||Level 7 - Challenging|
|Types||Oskar van Deventer, Meffert's Rotational Puzzles|
|Dimensions||One side is 10 cm / 3.9 in|
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!
Inventor: Oskar van Deventer
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