National Geographic Puzzle - We work with National Geographic to release 3D Britain the Tower Bridge Puzzle. Aim to pour historical soul into the puzzle to bring our customers a perfect experience. Wish you have a wonderful journey in the Puzzle World. High Reproduce & Quality - Realistic and detailed the Tower Bridge model kits consist of 120 pre-cut pieces, which look great and pretty to decorate your home. Made of paper and EPS foam board, a high-quality material. Using advanced laser cutting technology to make sure the pieces can be tight-fitting.