3D wooden puzzle has 294pcs of assembled parts, with a completed size of 12.8x8.4x9 inches. Accessories including laser-cut wooden puzzles, illustrated manuals, screws, screwdrivers, 10 steel marbles. The marble 3d puzzle night city connects different tracks by gear trains, including a waterwheel, trapdoors, funnels, S-turn and U-turn slides, flip-flop-splitters, gradient slides.
Made of durable plywood, wood parts are precisely laser-cut and fit well together, the entire process does not require the use of glue anymore. 3D puzzle comes with an easy-to-follow manual and all necessary accessories. Follow the instruction exactly step by step, you'll make it and just crank the handle to let balls move.