Each set includes everything you need to make your own fabulous shrink-art jewellery. Simply colour the beautifully illustrated pre-cut designs, pop them in the oven and watch them magically shrink to 40% of their original size, in front of your eyes! As your charms shrinks the colours become more intense. For ages 5 and up. WARNING: CHOKING HAZARD - Small Parts. Not for children under 3yrs.