3D Wooden Marble Run Puzzle Kit for Adults Teens – Gear Track, No Glue

✨ Watch It Move - Build a Working Marble Gear Track
Turn engineering into entertainment with this mesmerizing 3D wooden puzzle. Assembled with no glue or batteries, it creates a real working gear system that sends marbles through a spiraling track.

✅ Fun That Builds Skills
Perfect for STEM learning, critical thinking , and mechanical curiosity , this model teaches sequential movement in a hands-on way. Great for classrooms, makerspaces, and screen-free home learning.

🌟 Crafted for Safety & Satisfaction
Made from premium, laser-cut wood—smooth, durable, and safe for kids 12+. Every piece fits with precision, with no burrs or splinters to worry about.

📦 Easy to Build, Rewarding to Complete
Clear, step-by-step English instructions and just 68 total pieces make assembly simple. Just pop the parts from the wood sheet and slide them into place—ideal for beginners or weekend DIYers.

🎁 A Creative Gift That Actually Moves
Surprise puzzle lovers with a project that keeps on giving. Once built, it makes an eye-catching kinetic sculpture—perfect for desks, bookshelves, bedrooms , or gifting to teens, dads, and hobbyists.

📏 Dimensions: 27L x 19W cm