Great challeng for both children and teenagersPuzzle toy to stimulate manipulative abilityYou need no glue and tools.Product category: Stereo jigsaw puzzleMaterial: WoodenThree dimensional specifications: 12.4" x 9.92" x 4.25" (31.5 x 25.2 x10.8cm)Applicable age: 3-35 years oldApplicable people: Children， Teenagers