Can you attach a string to the cap or pull pin, so kids can sit out of the way and pull the string?

Absolutely! We recommend a thin sting to go around the pull pin and a light pull motion that won't break the geyser. Try it in your hands a couple of times before attaching the geyser to a bottle.

Does this only make one geyser or more than one? -- like can I keep re-using it as long as I buy new coke and new mentos?

Only one geyser. Yes, you can use it a lot of times. There is nothing to break by time, just be gentle when you putting it on bottle-you can throw mentos to coke by accident before you tighten it

Can I use carbonated soda water?

Haven't seen if it will work with anything other than soda, but it should work the same.... Give it a try.

I am thinking about ordering a few of these for an experiment with my students. Do you lose the tips when it explodes? Are the tips necessary?

The tips stay on. You can order the one with different tips its even more fun.my 8 yr old had a blast! Some tips shoot higher some have More then one stream.

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🎈 Get ready to launch your learning experience!

VERSATILE CAPS - Experiment with Turbo, Triple, and Soaker caps for varied eruptions.
STEM TASTIC FUN - Engage young minds with critical thinking and creativity.
MESS FREE DESIGN - Innovative trigger mechanism ensures a clean launch every time.
UNLEASH THE GEYSER - Experience eruptions up to 30 feet high!
PERFECT FOR ANY OCCASION - Ideal for classrooms, homes, and birthday parties!

The Extreme Geyser Tube by Steve Spangler Science is an engaging educational tool designed to spark curiosity and creativity in children. This science kit includes a geyser tube, Mentos candies, and three cap variations for different eruption styles, allowing for a hands-on exploration of STEM concepts. With a mess-free design and the ability to create impressive geysers up to 30 feet, it's perfect for classrooms, home experiments, and parties.

₱5890

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Educational Objective(s)	Critical Thinking, Creative Skills, Exploratory Skills, STEM
Model Number	857155
Assembly Required	No
Batteries Required	No
Batteries Included	No
Material Type(s)	Plastic
Product Dimensions	25.4 x 5.08 x 6.86 cm; 37.5 g
Item model number	857155
Manufacturer	Steve Spangler Science
Country of Origin	USA
Item Weight	37.5 g

Extreme Geyser Tube

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