Challenge the arcane labyrinth. These two pieces to a piece at first glance with each plane a simple rough with a 3D maze; Design of a puzzle writer Vesa Timonen of Finland.　 "The cause" and is? "Has caused" and the adult inspiration and logic to solve the puzzle. The Mission's "off." And "back to you". Simple, but profound. And take full advantage of the head and hands, I try to challenge you. Product specifications: ages: 6-year-old-difficulty: 4 (out of 6) size: 75 × 119 × 45 (mm) weight: 115 g