ROKR 3D Wooden Puzzles For Adults Marble Run Model Building Kit LGA01 Marble Night City

ROKR Marble Night City Marble Run 3D Wooden Puzzle LGA01 Product Specifications Number of pieces: 294 Assembly time: 7h Difficulty level: ★★★★☆ Assembled size: 12.8*8.4*9" Material: Wood Recommended age group: 14+ Robotime-ROKR Marble Night City is based on great human engineering. This marble run product combines the beauty of science and machines, involving so many small gadgets. It is a self-assembly 3D wooden puzzle with Tower Distributors & track race balls. Build the set and crank the handle. Watch marbles run crazy down the slopes and twisting turns. Breakthrough material restrictions and incorporate high-transparent acrylic. With a funnel-shaped track, the total length is extended to 2.5 meters. Rotate the handle, the steel ball will reciprocate along the track to experience the creativity of precision machinery with this wooden marble run puzzle. *Notes:Due to customs policy, the wax may not be included in the package. Wax: you could use ordinary candles, crayons, beeswax, etc.