OWNONE Wooden Puzzle Marble Building Review

【Create Your Own Crafts】 OWNONE 1 3D wooden puzzle marble run is made of high quality HDF and cut with exquisite laser technology. All the materials needed to build your own crafts are in the package, and no additional tools or glue are required. 【Feel the Beauty Of Mechanics & Physics】 Just turn the crank and gears will start to drive the machine. Put on steel balls, they will automatically cycle in complex tracks. This wooden puzzle can not only become a wonderful decoration, but also free your imagination and bring an unparalleled sense of achievement. 【Challenging and Fun】 This is a challenging project with 334 pieces to build. In your spare time, you can enjoy building the marble run by yourself, or assemble it with your family. The instruction is very clear. You can easily follow the instructions of the picture to complete the puzzle. 【Decent Gift for Adults and Teens】 It’s a decent gift for parents & friends. The recipient can not only enjoy the fun of assemble the puzzle, but also use it as home decoration or play in the office. 【Guarantee】 Please feel free to contact our customer service if you have any problems or need replacement. We will try our best to help you. Your satisfaction is always our goal.