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Steve Spangler Extreme Geyser Tube®

Steve Spangler Science®
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Ages 6+ / Grades 1+
WARNING: CHOKING HAZARD – Small parts. Not for children under 3 years.
The Geyser Tube® is a loading tube for the now famous Diet Coke geyser powered by MENTOS. If you’ve ever tried doing the experiment, you know how difficult it can be to drop the MENTOS into the bottle before the reaction takes off… and you’re soaking wet. The Geyser Tube will give you a perfect launch every time with time to stand back.

Attach the Geyser Tube to any bottle of soda (but diet soda works best because it’s not sticky – no sugar!) Secure the trigger pin in place. Load the MENTOS into the tube, lock the special pressurizing nozzle in place and pull the pin. Oh, by the way, it’s best to pull the pin and then run away. The MENTOS drop into the bottle and the powerful soda geyser comes shooting out the top with enough pressure to reach an incredible height of 30 feet. That’s a record!

Improvements to the Geyser Tube have taken the geyser-creating tool to a whole new level. The trigger mechanism now has a double pull pin action, making sure there’s no unwanted eruptions. When you’re ready to pull the pin, a tighter seal means that you can achieve a 30 foot geyser with as few as two MENTOS candies.

You also have the option of attaching three different Geyser Tube caps: Fountain, Fan, or “Runaway.” Choose the shape of your geyser with three new Geyser Tube caps. Pick your Fountain cap to create a three spout geyser that resembles a fountain, the Fan cap to create a fan-shaped soda geyser, or the Run Away cap. Let’s just say you won’t want to stick around to see the shape that the last one makes.

What’s Included:
  • Extreme Geyser Tube®
  • New and improved Geyser Tube
  • Double pull pin action
  • Pressurizing nozzle
  • Improved threading
  • Roll of MENTOS chewy mints
  • Fountain geyser cap
  • Fan geyser cap
  • “Runaway” geyser cap
  • Instructions for creating the ultimate soda geyser


Brand Name
Steve Spangler Science®
Age / Grade
Ages 6+ / Grades 1+
Assembly Required
Steve Spangler Science

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