MIEBELY Electrical 3D Wooden Puzzles Craft Toys DIY Marble Run Model Building Kits Block Toys W/Motor, Mechanical Gear Engineering Kit Home Decor Hobbies Idea Valentines Day Gifts for Him Adults Teens

Handicraft: The Miebely 3D wooden puzzle model set is composed of 235 small wooden blocks. The precise laser cutting technology controls the error of the parts within five microns. We finely grind each wooden block to prevent burrs from getting on your fingers, so that your assembling process is smooth.
Sturdy and high-quality material: The gravity track ball model is made of high-quality basswood, and the thickness of the wood blocks is 3mm-4mm, which makes the structure of the building blocks more stable and can also prevent you from damaging key components during the assembly process.
Easy to assemble: The Miebely Roller Coaster Wooden 3D Puzzle Craft Kit comes with a detailed English instruction manual, and we mark the serial number of each puzzle piece clearly on the instruction manual. You can complete the assembly quickly and smoothly. We strive to make you enjoy your assembly process. If you encounter any problems during the assembly process, please feel free to contact us.