Product Name: Steam Train 3D Wooden Puzzles.
Assembly Time: 150 minutes. Number of Parts: 247 pcs. Recommended Age: 15+. Assembly Size: 18.7" × 2.6" × 4.1".
Material: Eco-friendly wood. Laser cutting technology make parts easily removed from the board and edge smooth without burrs. Clear part numbers and operating instructions make this item easy to complete.
The main body of the puzzle is combined with mortise and tenon structure. No Tools Required. But some parts need to use a little glue, please bring your own.
Patience is the key.