This exceptional series of home science kits is based on the nationally recognized Great Explorations in Math and Science (GEMS) program pioneered at UC Berkley's Lawrence Hall of Science. Acclaimed for excellence as a teaching resource. Erupt a color changing volcano! This package contains 0.25oz/7g red cabbage powder; 3oz/84g citric acid; 2oz/56g baking soda; twelve color tablets; 2oz/59ml vegetable oil; 4oz/112g corn starch; 2 goldenrod papers; two cotton swabs; 1oz/28g polyacrylamide; three plastic cups; three test tubes with caps; one pipette; two measuring scoops; two stir sticks; and an activity guide. Recommended for children ages 4 and up. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. This kit contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision.