【3D Puzzle-Hip-Hop World】This 3D puzzle is a retro street art puzzle. Its overall design incorporates four hip-hop styles: DJ, streetball, skateboarding, and graffiti. With bustling streets and intricate tracks, it brings you a brand new and exciting experience. 【Dynamic Lighting Effects】Featuring a 233cm marble track, the marble run 3D puzzle simulates the dynamic scene of a track running through a city block. When the marble passes through the upper track, a unique lighting system changes with the movement of the marble. 【Dual Mode Free Switching】Equipped with a newly upgraded microphone, it can accurately capture the surrounding sound, and the lighting rhythm responds to the movement of the ball in real time. It also has two modes: viewing mode and dynamic mode, which can be switched freely to easily adapt to various scenes. 【Expand gameplay】The Hip Hop World modular assembly kit makes building hassle-free! No glue or tools are needed, and it can be easily assembled in about 90 minutes. It can also be flexibly combined with the MR02S series kits to create new puzzles and expand your creative play options. 【Worry-free Assembly Support】ROBOTIME offers worry-free assembly support, ensuring you can build and enjoy the 3D Wooden Puzzle with ease, feel free to contact us if any problem. ROBOTIME 3D Puzzles for Adults, Bookshelf Kits Futuristic Marble Run Building Set, MR03S (Hip-Hop World), Crafts for Adults Hobby Kit Gift