UGEARS Marble Runtiered Hoist 3D Wooden Puzzle for Adults 3D Gravity Maze Puzzle Mechanical Model Kit 3D Wooden Model Kit Educational Model DIY - - -

[A culmination of art and engineering] UGEARS' Marble Run Tiered Hoist features three main marble tracks, a three-tiered stair lift, and intriguing mechanisms for opening and closing. You can learn about the interaction of mechanical gears and drive gears and the function of counterweights while building this ingenious wooden 3D puzzle. [Advanced Model] This model is for advanced users. You can enjoy spending time with your family or pursuing your hobby for more than the estimated assembly time of 7 hours. [Build and Play] The Marble Run model comes in four types: tiered hoist, chain hoist, step hoist, and spiral hoist, and you can combine up to four types to play. You can watch the marbles roll down the included marbles and clear various obstacles. [No glue or tools required] The kit includes assembly instructions in 11 languages, spare parts, 10 colorful marbles, wax, and sandpaper. Using wax and sandpaper during assembly will help prevent jamming when moving the parts. Finished size: 27 x 26.5 x 27 cm Number of parts: 315 Estimated assembly time: 7 hours Introducing the Marble Run Tiered Hoist from UGEARS! This unique wooden marble lance set offers endless possibilities for creativity and fun. With its three-tiered design, this marble run is not only visually stunning but also provides a challenging and engaging experience for marble enthusiasts of all ages. The set includes a sturdy base, a winding mechanism, multiple tracks, and 10 colorful marbles. Perfect for quality time with family and friends. The Marble Run Tiered Hoist is a fascinating and captivating 3D puzzle that can entertain you for hours. Ideal for display or as a conversation starter, it fits perfectly in any room or office. UGEARS is a unique line of 3D mechanical puzzles and wooden model kits.