Twist and turn to scramble the colours and try to make one solid colour per face.
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!
Age 9 - adult