3D Wooden Puzzles for Adult, Tourbillons Timer 3D Wooden Assembly Model Kit with Mechanical Transmission, Creative Ornament & Gift (218 Pieces)

Functional Mechanical Timer & 3D Wooden Puzzle: This intricate 218-piece kit builds a stunning spherical tourbillon timer. Driven by a wind-up spring mechanism, the timer runs for approximately one hour, accompanied by the mesmerizing rotation of the sphere and a classic ticking sound Precision Engineering with Dual-Axis Rotation: It features a 360-degree rotating escapement to counteract gravity and a sphere that rotates on two axes, showcasing a perfect blend of mechanical power and aesthetic beauty Glue-Free & Brain-Teasing Assembly: Designed for a seamless building experience, this 3D wooden puzzles for adult requires no glue. The challenge lies in precisely fitting together the 218 wooden pieces, gears, and mechanical components Kit with Detailed Guide: More than just a puzzle, this model kit includes comprehensive assembly instructions and mechanical explanations. It’s an engaging way to learn about gear transmission and the principles of a tourbillon, ideal for hobbyists and those interested in mechanics Elegant Desk Display & Unique Gift: Once completed, this continuously rotating 3D wooden spherical tourbillon model becomes an elegant desk ornament for your office or study. Its unique mechanical aesthetic makes it a memorable gift for puzzle lovers, engineers, and collectors 3d wooden puzzles for adult 3d wooden tourbillon timer puzzle 3d wooden rotating timer model 3d wooden spherical tourbillon model