\" Type: 3D Metal Puzzle Style: ArmyAge Range: 12-15 Years，GrownupsPuzzle Style:3D Puzzle size : 15x2x3.5 CM when finished .Note: need be Patience， careful， and DIY one piece to piece and careful to make a puzzle . as usual DIY puzzle dont need tool and Glue， but if you like you can buy Tool in my store .https://www.wish.com/c/55e05c1ebc2b63104e75563e 1:Thanks to the ingenious slot-and-tab design， no tools， fasteners， or glue are required to build Metal Works 3D Sculptures. All you need are your hands! Simply pop out the pieces and bend， fold， and assemble them using the included illustrated instructions.2:Depending on the complexity of the model， Metal Works can take anywhere from 30 minutes to several hours to complete.3:Not only are Metal Works fun to build， they′re great decor items. Keep them on your desk，bookcase，or nightstand. Although made from a thin sheet of metal，they are very durable.\"