Hand Cranked Marble Run Wooden Model Kits, 3D Wooden Puzzles Adults Model Kits Assembly 3D Wooden Puzzle Mechanical Model Kits Mechanical Model Building Craft for Teens and Adults

Product Description

Durable and smooth: The 3D puzzle marble running model is made of environmentally friendly wood material, the pieces are smooth, burr-free, and the quality is first-class. You will get a good use experience and you will definitely like this fun trackball game.
Fully packaged product: This is a self-assembly model kit, everything you need is in the package, you don’t need any other materials. Don’t be afraid to get confused in so many details, you just need to assemble it step by step according to our instructions, and the details are everywhere.
Easy to assemble: This puzzle has a unique shape, fun to assemble, interlocking assembly, and no tools are required. You may need to carefully pop out the small wooden pieces step by step to prevent breakage.
Meaningful educational project: The handmade model can open up a new world of creativity, knowledge, and fun for you, spend a good time with family and friends, enjoy your leisure time, and relax yourself. Turn the boring time at night into a special moment for you and your family.
Best gift choice: The wooden puzzle marble treadmill set is a great sensory stimulation toy gift, and it is definitely a cool model for adults or craft lovers. It is also a beneficial and interesting project for teenagers and adults.