3D Puzzle Wooden Marble Run for Adults DIY Mechanical Puzzle Assembly Wood Crafts to Build Wood Model Kit for Kids Age 14+Years Old

Brand: IQIETOYFeatures: NEW MARBLE RUNS: This wooden 3D puzzle hand crank drive uses a large gear to move the ball to the top and then rolls to the bottom via the track.This wood STEM puzzle is a fun stress reliever toy that lets you enjoy the puzzle process while exercising your hands-on skills, thinking skills, and observation skills. COOL DECORATION GIFT: This 3D puzzle toy is not only a toy but also a craft, you can put it on your bookshelf as a decoration. This DIY model kit is a perfect gift for birthday, Christmas and Father's Day, you can give it to your lover, husband, wife, friend and father. FUN TOYS FOR TEENS: The manual mechanical marble run is suitable for adults and teens who like challenges, it may take a few hours to make a jigsaw puzzle, but after assembling this wooden 3-D puzzle, you'll be overwhelmed with joyful pride when you see the constantly rolling balls on the runway. HIGH QUALITY: This wooden building toy uses high quality basswood plywood. The wood marble