Steve Spangler's Pearl Swirl Rheoscopic Concentrate, 4oz, Makes 2 Gallons of Rheoscopic Fluid

CONCENTRATED FORMULA: Steve Spangler's NEW Pearl Swirl Concentrate Formula makes 2 gallons of safe and non-toxic rheoscopic fluid! TEACH MULTIPLE SCIENCE CONCEPTS: Steve Spangler's Pearl Swirl Rheoscopic Concentrate is excellent for teaching ocean currents, aerodynamics, turbulence, convection, and many other motion effects that are often difficult for students to visualize. VISUALIZE CURRENTS: Steve Spangler's Pearl Swirl contains suspended microscopic particles that make it easy to visualize currents and the flow of a liquid - versatile to use in a variety of fun science experiments! CAN BE USED IN MANY LIQUIDS: Steve Spangler's Pearl Swirl is safe and fun to add to many liquids to create a pearly-white effect.