ROKR Infinite Cycle Marble Run MARBLE NIGHT CITY LGA01 + Marble Run LINK PACK LG01. Both are NEW SEALED! ROKR Marble Night City LGA01 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. Easy to Assemble Mortise and tenon technology, full structure of physical assembly, enjoy the fun of self-assembly. A Metallic Transformation Dyeing wood boards and screen printing in charcoal gray gives a metallic look to the whole model. Transparent Acrylic It provides a highly transparent view, which can also prevent balls from falling off the track. ROKR Marble Run Link Pack LG01 We designed this connector kit for two beloved marble run models: Marble Night City LGA01 and Marble Spaceport LGC01. With this link pack, you can combine both wooden marble runs to create an exciting and fantastic marble maze. Package Includes: Transmission shaft, connecting track, base connector, blue breathing light, and synchronous drive belt. The connector puzzle kit can be completed in approximately 3 hours. Control the Connecting Mode with the Touch Switch: Tap once: The models power on, and the flowing light illuminates. Tap again: The light becomes constant. Long press: Power off.