Are you searching for a way to make learning more fun than ever? Look no further than the National Geographic Completely Gross Chemistry Set! Kids will mix, mold, measure, and pour as they create a Vomiting Test Tube, Bursting Blood Cells, Glorious Guts, and more! This science kit engages curiosity and exploration, and provides kids with everything they need for 10 totally gross and totally fun experiments! A bonus experiment guide has 10 additional experiments to try using common household items. An easy-to-follow experiment guide leads you step-by-step through each experiment and includes illustrations of each step of the process, along with explanations of the science behind the experiments. The gross factor keeps kids entertained and engaged, while the amazing science they observe as they experiment inspires a lifelong passion for exploration and discovery! This is one unforgettable educational toy! Details: Multicolor For ages 8 and up Contents: Red sodium alginate (3.04 fl. oz. / 90 mL) White sodium alginate (3.04 fl. oz. / 90 mL) Calcium chloride (0.35 oz. / 10 g) Citric acid (0.88 oz. / 25 g) Agar agar powder (0.21 oz. / 6 g) Sodium bicarbonate (0.56 oz. / 16 g) Psyllium husk powder (0.18 oz. / 5 g) Zinc sulfide (0.18 oz. / 5 g) Phenol red (0.34 fl. oz. / 10 mL) Green coloring (0.34 fl. oz. / 10 mL) Yellow coloring (0.34 fl. oz. / 10 mL) 2 vials 1 test tube 1 beaker 2 pipettes 1 sticker sheet 1 brain mold 1 mushroom mold 1 paper straw 2 stir sticks 2 measuring scoops 2 experiment cups 4 resealable bags 1 experiment bowl 1 pair of safety goggles 1 book of 10 bonus experiments