Extra-large twist puzzle that impresses with both its size and its challenge. This striking shape may seem familiar at first, but with every twist it transforms into increasingly complex and distorted structures as you work to restore each side to a single, uniform color and reassemble the puzzle into a perfect cube. Designed for advanced players, Vertigon also features an adjustable tension system: customize the turning feel for smoother movement or greater resistance.

 

Difficulty level: Advanced.
Age: 8+

 

The Inverse line from Project Genius represents a fresh perspective on classic brain teasers. With unusual shapes, surprising solution paths, and deliberately counterintuitive approaches, these puzzles challenge players to question familiar ways of thinking and explore new ones. At their core are ingenious mechanics and creative design principles that are not immediately apparent. It is precisely this “inversion” of well-known game concepts that defines the unique appeal of the Inverse series and keeps motivation high throughout the solving process. High-quality materials and precise craftsmanship further emphasize the sophisticated character of this product line.