DIY Wooden 3D Puzzle Toy, Marble Run Wood Model Kits, for Adults to

Warning : none Gender : Unisex Model Number : 3D Wooden Puzzle Marble Run Model Material : Wood Style : Construction Puzzle Style : 3D PUZZLE Recommend Age : 12+y Origin : Mainland China Certification : NONE MainKey1 : Marble Run models MainKey2 : Marble Run 3D Puzzles DIY Model Building Kits MainKey3 : 3D Wooden Puzzle Brain Teaser Puzzles Kid Adult MainKey4 : Early Learning Education Toys Assembly Puzzles MainKey5 : Jigsaw Puzzles Science Educational Toys 7 8 9 10 MainKey6 : Engineering Toys Valentines Day gifts for kids Description: DIY Handcraft: Mechanical 3D wooden puzzle, During the rotation process between gears, potential energy is converted into dynamic energy, causing the beads to fall from high to low. Easy to Assembly:Marble Run Model Building Kits with 222 small wooden blocks and 6 marbles , simple assembly,enjoy the fun of DIY, build and create with your hands. Educational Toys:DIY Model Building Kits are made of environmental wood material with smooth pieces,a great way to develop fine motor skills and hand eye coordination. Home Decor: OurRoller Coaster Building Kits are not just toys, they #39;re also beautiful pieces of art when completed. They #39;re perfect for displaying in your home or office, or as a unique gift for friends and family. Perfect Gift: Wooden Roller Coaster puzzle model is a nice gift for craft or Puzzle. Also is a rewarding and fun project for teens and adults to put together. Specification: Material: wood Size Chart: 29cmx29cmx23cm/11.42inx11.42inx9.06in Package Includes: 1 Set 3D Wooden Puzzle