The jigsaw puzzle materials in the mainstream market are mainly paper, wood, plastic and other varieties.
Low-structure material, as its name implies, is a kind of material that is not too wasteful, relatively simple and not difficult to operate. It is characterized by strong variability and high plasticity. Common low-structure materials in life are cartons, cans, plastic bottles, clay, playing card boxes and so on. The popular puzzles are also low-structure materials.