Color: stainless steelMaterial: Stainless steelSize: 11 * 11cm (manual measurement， there is a small error)Age: 14-18，Years Product Category: 3D jigsaw puzzleNote: small parts to use a pair of pliers to clip down， not directly breaking with hands ， otherwise easily lead to operational parts breakage.Product detailed list: DIY puzzles * 2， instruction manual * 1