JellyBeadZ Brand - Kids Tactile Sensory Experience - 3 Color-Blue-Water Bead Gel 3 - 10 Gram Packs. BeadZ Only JellyBeadZ are a #1 Seller on Amazon, Will Keep Kids Busy for Hours Non Toxic, Biodegradable, Enviromentally Friendly Beautiful Bold COLORFAST Color in Each Bead, BLUE , TURQUOISE, CLEAR 1 pack each Color - 10 grams each bag which will make about 8 Cups per color.....a total of 24 cups....almost 2 .5 Gallons!!!!!!! Each Bead will Expand to about the Size of a Marble.. Great for Learning Scientific Skills: Sensory Science, Observing, Predicting, Evaporation and Absorption.