The materials

1. cardboard =pasteboard or stiff paper.
2.  ceramic= made of clay and hardened by heat.
3.  cotton= Flower of the cotton plant
4.  glass=a hard, brittle substance, typically transparent or translucent, made by fusing sand with soda, lime,
5.  leather= a material made from the skin of an animal by tanning or a similar process.
6.  metal=a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
7.  paper=material manufactured in thin sheets from the pulp of wood or other fibrous substances, used for writing, drawing, or printing on, or as wrapping material.
8.  plastic=Un material sintético fabricado a partir de una amplia gama de polímeros orgánicos tales como polietileno, PVC ...
9.  rubber=a tough elastic polymeric substance made from the latex of a tropical plant or synthetically.
10.  silver or gold =precious metals
11. wood=the hard fibrous material that forms the main substance of the trunk or branches of a tree or shrub.
12.  wool =the fine soft curly or wavy hair forming the coat of a sheep, goat,