In order to grow into pearls, simply add water and let water beads sit until they are round smooth elegant pearls. Vase filler clear water beads are made of non-toxic super absorbent cross-linked polymer. Will keep children busy for hours and make a water game, fun learning tool, science project, or sensory item to have in a bucket. If you are really in need of a stress ball, these water beads and water pearls will feel like massage therapy supplies. A must have summer toys for kiddie pools that all kids of all ages love. You will receive a 1/2 lb bag of miniature beads per order.