The metal material of this product is brass, stainless steel, the coating process for the gemstone coating, the assembly does not need to use glue, just need to cut the parts and connect the buckle on the metal clips can be.
This product requires a metal splicing tool set for assembly, but the tools are not included with the product. Using the tools will allow you to cut the parts off the sheet better and will also help you bend and twist the link pieces more easily.
This metal model jigsaw puzzle is suitable for teenagers over 14 years old as well as adults.Putting together a metal model kit is challenging and requires patience, and usually takes a few hours or even longer.