3D three-dimensional puzzle Mini Architectural Series (The Great Wall) Style:Eiffel Tower,Harbour Bridge,Empire State Building,Big Ben,Triumphal arch,Pyramid,Dubai hotels,The Great Wall,Pearl of the Orient,Bank of China Tower,Tiananmen Square,Leaning Tower of Pisa,Tower Bridge,Temple of Heaven,Taj Mahal,Potala Palace,Notre Dame Material:Plywood Packing size:9*7*3" Level of difficulty:General Including plank,colored paper,sandpaper,double-sided adhesive and so on.