If you have used unused cardboard you can use it to make crafts. some people may use some of their time as opportunities for creativity and self-expression. Some references in this application might help you to make used used cardboard crafts.
Design idea:
_ Cardboard Crafts
- handycrafts
- the latest cardboard craft
- unique and creative crafts
- children's creativity
- craft cartons
- duplex paper crafts
and other examples