What's in the box: 3D puzzle with durable materials, easy to assemble, colorful assembly instructions with in-depth knowledge of architecture.Tips: Assemble patiently and carefully, do not force two parts / components to interlock.Each puzzle piece has two sides, and can be bent in only one direction, please make sure the correct side of the pieces is facing outward.Assemble each section of the model without tools, such as knife and scissors, or gluing.

Assembly steps: Follow the instructions in the booklet to build your puzzle.Each puzzle piece is numbered to help you complete the assembly.Drill all interlocking holes before mounting is advised.To ensure that each piece can be clearly identified, please do not unfold all the pieces at once, please only drop the pieces you need for each step during assembly (as all the part numbers are printed on the puzzle sheet together to each puzzle piece).