Features: Made of 3D matallic nano， thin and portable， convenient to carry. Color: Silver Material: Steel Suitable Age: 14+ Size: 7.1*5.8*6CM Slot-and-tab designed， no tools， fasteners or glue required， only your hands are required To exercise the hands-on skills and dimensional thinking ability of your children above14 years A great chance to build up your imagination. A good decoration for your desk， bookshelf， table， bed， etc A perfect toy or gift for your children or friendsPackage Included: 1 x Metallic Nano 3D Puzzle Model 1 x Instruction Manual