This magic Hydrophobic Sand is dyed and coated to repel water, so it’s always dry. When submerged in water, it can be molded into structures. This sand is great for teaching about hydrophobic substances. Get different colors and create some impressive shapes. Simply separate from water to use again and again. Includes 3 plastic test tubes (5.5″ long each) with screw cap filled with hydrophobic sand in various colors.

• 3 pack of test tubes with hydrophobic sand that repels water
• 5.5″ plastic test tube with screw cap
• Various colors, picked at random by us

Age 6+