About This

• 【Brand New City Mechanical Marble Run for Ages 14+!】Build it with 372 precision-cut pieces and 5 vibrant red marbles. Designed for builders aged 14 and above, this kit offers a satisfying challenge for teens and adults. Plus, assembly requires no glue—just slot the pieces together for a clean, hassle-free build. The end result is a stunning city-inspired mechanical track where marbles race through gears, lifts, and spiral pathway
• 【Innovative Spiral Lift & Endless Exploration】The spiral lift & vertical rail system lets you crank up marbles, then watch them zoom, spin, and dive. This 3D wooden puzzle has many playing methods waiting for you to explore—race against friends or unwind as marbles flow
• 【Premium Urban Design with Clear Action View】Different from other wood puzzles, our city mechanical edition features a sleek architectural look. The natural wood grain with visible track windows lets you see the 5 red marbles in action at every twist and turn. Best of all, the glue-free assembly means clean lines and no mess
• 【Easy Instructions & Spare Parts】The instruction booklet includes large, detailed illustrations for easy assembly. We also include a spare parts sheet for critical pieces—and our customer support is always ready to help
• 【Perfect STEM Gift for Challenge Lovers】Tired of flat puzzles? This 3D marble run offers a more advanced challenge. With no glue needed and age-appropriate complexity for 14+, it’s a rewarding project for teens and adults. Display it on your bookshelf—friends will ask what it is and want a demonstration. A perfect Christmas or birthday gift for those who love to explore and build