3D Wooden Puzzles Marble Run Set - Mechanical Model Kit for Adults DIY Roller Coaster Toys Gifts for Boys/Girls

Product Features: 1.【Mechanical Gears】Build a 254pcs 3D wooden puzzle marble run set with big waterwheel lifter and funnel track. Full of gear trains, cams, ratchets and cranks. Loads of fun to rotate the handle and see marbles run crazy on different tracks! 2.【No Glue Needed】This 3D puzzle is made of durable plywood uses precise laser cutting, so parts fit smoothly together. No tools or glue are required. Rewarding building kit for anyone. 3.【Pakcage】The model kit comes with all accessories and a pictorial instruction book. Friendly to a beginner of 3D wooden puzzles. Ideal packaging as a gift to friends or family at birthday, Thanks Giving or Christmas. 4.【Brain Teaser】Building the 3D wooden puzzle uses your logic thinking, creativity and eye-hand coordination. Patience is the key to success. It relaxes your mind and makes you forget all the pressure while crafting. A little bit challenging but really amazing once you finish it. 5.【Unique Gift】This 3D puzzle will wow everyone who sees it. After construction it can be an unique decoration for office or home.

Product Description 1.has been focusing on wooden toys for 11 years, all our products are original design. 2.Our vision is to provide the best wooden gifts, the most interesting building models and the most smart puzzles toys for DIY lovers all over the world. 3.We hope we can keep the fun of handwork for you in today's noisy world. Put down the phone, and experience the pure fun between adults and children, husband and wife, families and friends. 4.Handcrank Turn the handle and the big gear will bring the iron ball up to the track. Pay attention to the direction in which the handle is rotated. 5.Relaxing Assembly First, you get is a 3D wooden puzzle, laser-cut wood board that you have to put together by yourself. Detailed instructions will guide you through the assembly step by step. If you break the pieces by accident, don't worry, you can try to fix it with some Alcohol glue. 6.Overwhelming Proud When you finish it, you will get a roller coaster model. Size: 9.9*9*6.5 inch. This is a cool toy and gift, mechanical gear style, Put it on your desk, in your living room, on your bedside table, wherever it will catch your friend's eyes. 7.Premuim Pakcage The pakcage comes with everything you need in assembly. High-grade gift box packaging, very suitable for gifting your friends, children, parents, on Birthday Christmas Father's Day Mother's Day. Exercise your hands-on skills and strengthen your bond with your child.

Product Specifications: Product material:Wooden Product size:25.4*23.2*16.6cm Product weight:0.88kg