About This

• 【ROKR Marble Run】No manual cranking needed. A USB-C port powers this miniature London, driving a precision motor system. Watch as the steel ball runs in a smooth, endless loop, bringing the city's landmarks to life with perpetual motion.
• 【3D Wooden Puzzles for Adults】Feel like an engineer with this 431-piece ROKR puzzle. All parts are laser-cut for a perfect fit and assemble without glue using traditional mortise and tenon joints. The result is a sturdy, intricate wooden model that showcases the beauty of mechanical design.
• 【Unique Mechanical Linkage】More than just a track, this model features interactive London landmarks. Watch as the marble rings Big Ben's bell, raises the Tower Bridge, and is lifted by the London Eye. Each iconic site is a unique mechanical device, showcasing the true charm of a ROKR puzzle.
• 【Wooden Dynamic Ornament】Fully assembled, this ROKR 3D puzzle is more than a toy—it’s a stunning piece of kinetic art (8.9" x 6.1" x 9.3"). The blend of warm wood and moving steel creates a unique focal point for any desk or shelf, reflecting a sophisticated taste in design and mechanics.
• 【High Difficulty】A rewarding challenge for ROKR puzzle enthusiasts. This is a 4-star difficulty model requiring around 5 hours of immersive assembly. The feeling of accomplishment upon completion is immense. Need help? Contact us for a response within 12 hours.