This super-absorbent polymer does lots of amazing things! It can absorb 200-300 times its weight in tap water and hold it in a gooey gel! This powder is also known as slush powder, as it instantly turns a liquid into a solid. With certain ratios of powder and water, the gel becomes a solid! Each complete kit includes: 30 grams of instant solid powder, colouring tablet and experiment ideas and explanations.