Making your own costume jewelry is possible, thanks in particular to these 2 complete crazy plastic kits Each bag contains: 2 plastic sheets, 1 ring, 1 pin, 1 pattern sheet and 2 wires. These crazy pastel plastic sheets allow you to make key rings, costume jewellery, magnets. For each model, give free rein to your imagination: use colored pencils to make your creations. Then cut out, prepare a hole for the carabiner, and put it in the oven by an adult.