Steve Spangler Science Magic Sand, 227G, Blue – Colored Play Sand That Never Gets Wet, Exciting Stem Activity, Learn And Teach About Water Molecules For Home And Classroom UseHands On Stem Lesson On Hydrophobic Sand & Water Molecules : That Bright Smooth Sand Beckons Young Scientists To Play With It And Explore Its Unique Properties. Magic Sand Is Special Because It'S Dyed With Appealing Colors And Coated In Polymer That Deflects Water Molecules. Students Like To Mold, Build With, And Play In The Sand Outside, In Bins, Or At Sensory Tables. Pour Water Over The Sand And Watch As It Pools Nearby But Doesn'T Soak In.