CubicFun"s range of 3D puzzles are fun and challenging to build, and leave you with an attractive scale model that can be displayed in your home or office. The puzzles are manufactured in Guangdong, China, and are sold in 80 countries throughout the world. An instruction booklet is also included which provides instructions on how to construct the puzzle, as well as interesting facts and information about the model. A fun and challenging 3D puzzle of The Hall of Supreme Harmony in Beijing Constructed using CubicFun"s unique slotting system.Difficulty Level: 6 stars ; Number of Pieces: 100 Construction time: 150 to 180 minutes Length when completed: 34cm Product Specifications: Material Type: EPS Foam BoardBox Dimensions: 30 x 3.6 x 22.7 cmItem Model Number: MC127hItem Weight: 0.646 Kg The Hall of Supreme Harmony is the largest hall within theForbidden City. It is located at its central axis, behind the Gate of Supreme Harmony. Built above three levels of marble stone base, and surrounded by bronze incense burners, the Hall of Supreme Harmony is one of the largest wooden structures within China. It was the location where Ming Dynasty and Qing Dynasty Emperors hosted their enthronement and wedding ceremonies. The name of the Hall was changed from Feng Tian Dian to the current one by the Shunzhi Emperor of Qing Dynasty.