2 Ounce Package JellyBeadZ Brand Water Bead Gel- CLEAR JellyBeadZ are A #1 Seller on Amazon Colorfast, Non-Toxic, Enviromentally Friendly A great learning tool, kids are busy for hours, having fun experimenting, Many uses and adds drama to decorations- weddings, showers, centerpieces 2 oz packs makes over 10 quarts. Hydrate JellybeadZ for approx. 6- 8 hours. Each bead will expand to about the size of a small marble