National Geographic Cool Reactions Chemistry Kit

Learn about the science of chemical reactions with this fun kit. Make big, fuzzy eruptions, hide and reveal secret messages, and create a cool color-changing reaction. Includes sodium bicarbonate, citric acid, red cabbage powder, pH paper, cotton balls, 3 experiment cups, measuring spoons, spray bottle, pipette, colorless crayon and experiment guide. For ages 8 and up. Adult supervision is required.