2 bags of 7 crazy plastic sheets. Create your own decorative objects, such as costume jewellery, magnets, key rings, with these 2 kits of 7 sheets of crazy black plastic. Crazy plastic, sometimes also called crazy plastic, allows multiple creations. It is very popular with children who can make magnets, pendants, key rings. Crazy plastic is a special paper with 2 sides (1 smooth and 1 porous for drawing): Draw or color, put in the oven at 150° for 2 to 8 min. the plastic shrinks, takes very strange shapes, flattens out, becomes rigid and thick at the end of cooking. The colors intensify when cooked.