【Usage】: Suitable for BLASTER toy gun supplementary ammunition water bombs, vase decoration, children's science experiments.
【Eco-friendly】: Colored little gel balls made of Super Absorbent Polymer (SAP), which is an all-natural, non-toxic, non-irritating starch-based material.
【How to use】: Soak the gel in water for 3 hours to make it bigger. After soaking in water, it can expand to 7-8MM.
【Storage】: Store the hydrated gel in an airtight container away from the elements and direct sunlight for up to 2 weeks. The gel is fully immersed in water and stored for three months.
【PRODUCT INCLUDED】: 1 packs of water marbles have 10,000 bullets.