3D Wooden Sailboat Puzzle for Adults, Sailship‌ Model Kits to Build, 3D Jigsaw Brain Teaser Puzzles, No Glue or Other Tools Required, Free of Burr, Tabletop Decoration (Sailing Boat Puzzle B)

Recommended Age: 15+. Material: Eco-friendly wood. Laser cutting technology make parts easily removed from the board and edge smooth and burr free. Clear part numbers and operating instructions make this item easy to complete. The main body of the 3D puzzle does not require glue. But some small parts may need to be reinforced with glue. When assembling this 3D puzzle model, please avoid violent operation to prevent the wooden board parts from breaking. Patience is the key.