If opportunity is apparently missing, giving a hint that finding the clue safe combination lock. Hope you enjoy just a thief Lupin. 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: 152 g