Experience the wonder of intricate design and dynamic mechanics with the Wooden City 3D Wooden Marble Run Puzzle. This exceptional model not only adorns your interior but also captivates the imagination of all ages.

Get ready to be amazed by the advanced design elements of the labyrinth track:

• Sharp turns that add thrill to the run
• Mesmerizing spiral descents to fascinate viewers
• An ingeniously calculated lever elevator that loops your metal marbles back to the start, completing an impressive cycle

Fabricated from high-density birch plywood, this beautiful piece boasts:

• Exquisite craftsmanship with intricate details
• Function activation by turning the hand crank

Key Features:

• Functional mechanical model
• Assemble without glue or tools
• Carefully crafted from eco-friendly wooden materials
• Detailed instructions available via QR code on the packaging

Please note: Some additional tools such as a utility knife, scissors, sandpaper, and a wax candle are required (not included). For smooth operation, wax the axles and gears.

Technical Parameters:

• Approximate assembly time: 5 hours
• Difficulty: 4.5
• Dimensions of assembled puzzle: 27.8 x 16.5 x 19.6 cm