The viral Diet Coke® and Mentos® experiment that Steve Spangler invented has matured over the years into this amazing kit. As the name states, you’ll do a dozen different experiments that are powered by soda. Figure out how high you can make a geyser soar into the air, make your own fizzing fuel, and more. Back by popular demand, this kit includes the soda powered Geyser Car that can travel over 100 feet on a single bottle of soda. Contents include: plastic geyser tube, plastic geyser car frame, 4 plastic wheels, 2 metal axels, 3 plastic caps, roll of Mentos® candies, 50 grams of baking soda, 50 grams of citric acid, metal inflation pin, 2 Velcro® straps and instructions. For ages 8 and up.