Draw your designs on the matte side of the shrink plastic.
Cut out the designs and use punch pliers to punch holes for the key rings.
Shrink the designs in the oven according to the instructions on the package.
Wait to remove the designs from the oven until they are completely flat again.
Remove the designs and let them cool under a weight.
Attach a key ring.
With shrink plastic and coloured pencils, the kids can make their own crafty and unique key rings! And a colourful key ring makes it much easier to find your keys when it's time to head to school in the morning. An adult should help shrink the designs in the oven.