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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Extreme Geyser Tube

Product ID: 367632382

Details

Age Range (Description)
Kid
Brand
Steve Spangler
Item dimensions L x W x H
25.4 x 5.1 x
Size
2 x 10 x 2.7
Theme
Chemistry

🎯Double-pull pin trigger

🚀30-ft geyser height

🧪3 unique eruption caps

¥631

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Sold byAmazon ChinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Ignite curiosity and launch epic fun with every fizzy blast!

STEM BOOSTING FUN - Ignite critical thinking and creativity with hands-on science that’s perfect for home, school, or parties.
SKY HIGH ERUPTIONS - Launch up to 30 feet of mesmerizing soda geyser action every time.
READY OUT OF THE BOX - Complete kit includes geyser tube, Mentos, and caps—just add your 2-liter soda and get the show started.
MESS FREE ENGINEERING - Double-pull pin and tight seals ensure a clean, controlled blast without soaking you.
CUSTOMIZABLE FLOW STYLES - Choose from Turbo, Triple, or Soaker caps to create your signature eruption.

The Steve Spangler Science Extreme Geyser Tube kit delivers thrilling, up-to-30-foot soda eruptions using a patented double-pull pin trigger and three distinct caps for varied eruption styles. Designed for kids and educators, it combines hands-on STEM learning with mess-minimizing engineering, making it an ideal interactive experiment for home, school, or parties.

Specifications

ASIN	B082MS25Y2
Age Range Description	Kid
Best Sellers Rank	#422,309 in Toys & Games ( See Top 100 in Toys & Games ) #10,857 in Science Toys & Kits
Brand	Steve Spangler Science
Customer Reviews	4.7 4.7 out of 5 stars (2,998)
Educational Objective	Creative Skills, Critical Thinking, Exploratory Skills, STEM
Global Trade Identification Number	00192407535930
Included Components	Geyser Tube, roll of MENTOS chewy mints, Fountain/Fan/Runaway geyser caps
Is Assembly Required	No
Item Dimensions	25.4 x 5.1 x 6.9 Centimeters
Item Highlight	Soda Lab Experiment, Includes Tube, Candy & Unique Spray Caps, Chemistry Magic, Classroom STEM Project, Stocking Stuffer
Item Type Name	Science Kit
Item Weight	37.5 Grams
Manufacturer	Steve Spangler Science
Manufacturer Part Number	WGEY-105
Material	Plastic
Model Number	857155
Number of Items	1
Number of Packs	1
Set Name	Extreme Geyser Tube
Size	2 x 10 x 2.7 inches
Theme	Chemistry
UPC	192407535930
Unit Count	1.0 Count

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¥631

Duties & taxes included

In stock

Sold byAmazon ChinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to China.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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1 month ago

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