200gram of OEEKOI Water Beads will provide thousands and thousands of marble-sized beads for decoration or play. These colors were specifically selected to provide a High Seas Sensory Experience! Dewdrops can be used as stress balls, wedding decor, vase fillers, or plant soil water beads. They can also be used for education, preschool, special needs, sensory processing activities, sensory bins, water tables, and more! INSTRUCTIONS: Add 1 Tbsp dry beads to 1/2 gallon of water, this yields about 8 cups once fully hydrated. They may take up to 8 hours to reach full size. One bag of beads will make enough to repeat this process about 16 times. Store indoors in room temperature. Avoid storing in extreme temperatures of hot or cold, as this may reduce the integrity of the beads. These gel polymer beads are interchangeable with Orbeez or Foot Spa. NON-TOXIC, COLORFAST, and safe for kids. Enjoy! Also a Great Therapy Toy for autistic and special needed children and kids.