3D Wooden Puzzle Marble Running Kit

3D Wooden Puzzle Marble Running Kit – Mechanical Model Building Kit for Adults, Puzzle Brain Teaser Assembly Model, DIY Wooden Puzzle Hobby Toy Gift for Adults and Teens. This DIY tanker bag is made of 307 small pre-cut wooden blocks that you will need to assemble yourself. The whole process takes about 3 hours.

• 【No Glue Required】Mechanical 3D puzzle, laser cut plywood, non-toxic, eco-friendly, smooth wood board. All parts are pre-cut, no glue required. The interlocking mechanism is very clever.
• [Detailed English description] Making this mechanical model toy requires not only carefulness, but also patience. Feel the pride of assembling the entire toy contraption with your own hands.
• 【DIY Gifts】A wonderful Christmas gift for family, friends and yourself. Place this mockup kit decoration on your desk, bookshelf or other surface and let it adorn your sweet dreams.
• 【Challenge and Relaxation】Try it, you will get good training, develop hand-eye coordination, fine motor skills, your thinking and patience will be effectively inspired.