【Challenging but Rewarding to Assemble】There are a total of 449 pieces, and assembly takes about 12 hours. 【Dynamic Toy Production Line】Our 3D puzzle features a towering raw material cylinder tower, with 6 ambient lights illuminating busy factories: steam flowing light signs attracting passersby; Tower mounted wall lights illuminate the operating raw material tower; The details of the assembly line ceiling light illuminating the work area; The surrounding lights in the packaging workshop are turned on during hot working hours; Under the warm light of the lobby ambient lamp, dispel the cold winter; The warm and fiery fireplace warmly guards every employee. The assembled size is 24.4 x 16.3 x 25.6 cm.