Demonstrate real world examples of conservation of mass, surface tension, polarity, osmosis, saturation and more! Learn the difference between hydrophobic and hydrophilic. Discover how to neutralise these amazing polymers. All of these polymers are reusable for hours upon hours of mesmerising fun. Experiment with different ratios of water to Instant Solid Powder to discover why it’s often called slush powder! Learn all about these exciting polymers and their countless applications.