Piececool Metal 3D Puzzle Queen Anne's Revenge with Tool, Pirate Ship Model Kits for Adults to Build, 304 Stainless Steel, Assembly is required, Difficulty level 5Difficulty level: , Number of parts: 439, Finished product size: L19. 5cmW6. 5cmH16cm Made of metal material to enhance the texture of the finished product: SUS430 stainless steel, which is easy to process and widely used, can be stored for a long time without aging. No adhesive required assembly method : Use specialized tools to cut off the parts, utilize the easy processing characteristics of metal, and bend the parts according to the instructions