Steve’s famous Mentos Geyser Tube erupts soda that can go 30 feet into the air! Comes with 3 additional caps to change the eruption shape.
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Turn a bottle of soda & a roll of Mentos into an erupting geyser that will launch up to 30 feet! Improved trigger mechanism to prevent accidental eruptions.
A few rolls of original Mentos candies, some two-liter bottles of Diet Coke, and the basic Geyser Car frame will fill up many afternoons with great science discoveries!