Mentos and Soda Geyser Tube
Take the guesswork out of the geyser with the Mentos and Soda Geyser Tube! Something amazing happens when Mentos and diet soda mix, and it has been known to make kids AND adults gasp with excitement. Set comes with Mentos and a plastic tube; all you need to do is provide the diet soda. Combine the full package of Mentos with soda in the tube for an explosively fun surprise!