Meffert's Ghost Cube - The Original Shape-Shifting 3D Brainteaser Puzzle - Travel-Friendly Fun for Ages 9+ Embark on a journey through twists and turns with Meffert's Ghost Cube! Envisioned by the pioneering puzzle craftsman Uwe Meffert, this ethereal cube presents a haunting challenge, shifting its form with every move and daring solvers to restore its original state. Dare to solve the enigma of Meffert's Ghost Cube? Perfect for puzzle aficionados or those seeking a mysterious twist to their collection. Accept the challenge and unveil the secrets of the Ghost Cube today! Recommended for those who've dabbled in twisty puzzles and are seeking a unique and formidable challenge. SHAPE-SHIFTING DESIGN: Unlike traditional cubes, the Ghost Cube morphs into bewildering shapes, adding an enthralling layer to the solving experience.