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Steve Spangler Science Extreme Geyser Tube - Science Kit for Kids - Mentos & Soda Lab Experiment - Includes Tube, Candy, & Unique Spray Caps - Chemistry Magic - Classroom STEM Project

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Availability: 12 left in stock
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Arrives Thursday, Mar 12
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Style: Extreme Geyser Tube


Features

  • Grab A Soda Then Prepare For The Show: This Extreme science set has everything you need except the 2-liter soda! It includes a uniquely crafted geyser tube, Mentos candies, and 3 cap variations to experiment with different mesmerizing eruption styles: Turbo cap for runaway flow; Triple cap for fountain flow; and Soaker cap for fan flow. Try them all!
  • Combining Critical Thinking & Creativity: While your students or children are watching in awe, theyre also using their curious minds to figure out complex questions like, How and why do these ingredients react like this? They can try different approaches in creative ways to observe fascinating outcomes. Sounds like a real blastand it IS!
  • Try It At School, Home, & Parties: If youre a teacher or have kids at home, the Steve Spangler Science Extreme Geyser Tube is a must-have learning tool. Birthday parties get a thrilling boost when you include it as a group activity or a special gift-bag treat. Its sure to become the kids favorite science experiment kit.
  • Enhanced Engineering: Youve seen videos of novice experiments using similar ingredients, and they may have created messy results. Get the ideal rocket launch every time with our brilliantly designed trigger mechanisms. They ensure you dont get soaked because the double-pull pin and tight seal deliver up to a 30-foot geyser thats sleek & perfectly timed.
  • Encourages STEM & STEAM Learning: Projects that focus on Science, Technology, Engineering, Art, and Math concepts create a dream team for eager young brains. Steve Spangler Science is passionate about helping girls and boys explore, gain insight, and build confidence in their skills & knowledge around these important subjects.

Description

Bursting With Excitement: The Steve Spangler Science Extreme Geyser Tube experiment kit for kids has all the parts you need except for a 2-liter bottle of soda. Attach the tube along with one of 3 different caps—each offering a unique spray style—then drop in some Mentos candies for jaw-dropping, high- flying action! Learning Can Be Entertaining: Chemistry lessons like this are a real thrill for kids. Get them involved in the dynamic hands-on experiment, then have an enlightening conversation about the science hows and whys. Their big eyes & big brains will enjoy the whole process. A Dynamite Gift to Remember: What a fun birthday party activity or gift. If you’re a school teacher, consider rewarding the kids with a magic geyser tube experience out on the playground when the science test is done. So many fun opportunities to use this exciting teaching tool. Expertly Designed: Science can be fun, and it’s even better when you have all the right components...That’s what we include in our kit: trigger mechanisms, tight seals, and a double-pull pin for security to help avoid any messes and enhance the fun. Cheering On Future Scientists & Engineers: Steve Spangler Science is honored to help kids focus on STEM and STEAM projects to grow their knowledge and encourage confidence, collaboration, and creativity. The future looks bright when today’s young scientists are eager to learn more about technology, art, math, and more important subjects.

Product Dimensions: ‎10 x 2 x 2.7 inches


Item Weight: ‎1.32 ounces


Manufacturer: ‎Steve Spangler Science


Item model number: ‎857155


Date First Available: ‎December 16, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Be a cool Mom!
Style: Geyser Tube
The media could not be loaded. This geyser tube lives up to the hype! We used a 1 L bottle of Coke and it was still a huge explosion. Super easy to use and wash well worth to buy, especially as a mom of boys who loved things like this. This is a fun and unique gift.
Reviewed in the United States on February 13, 2026 by Andrea & Austin Wolfe

  • Super fun
Style: Extreme Geyser Tube
Super fun. It says to use a 2 liter but I found that the smaller bottles work better with less waste.
Reviewed in the United States on February 16, 2026 by AJ

  • Cool experiment
Style: Geyser Tube
Cool experiment. Make aure to put the orange top back on before u add the coke. Otherwise it doesnt geiser. Can reuse multiple times
Reviewed in the United States on February 18, 2026 by Amazon Customer

  • Cool inexpensive gift / stocking stuffer
Style: Geyser Tube
They worked ... But the drop mechanism has like no resistance. The first one we activated by accident. it says up to 5 mentors.... There is room for more and I'd recommend it.
Reviewed in the United States on January 2, 2026 by Jimmy Anderson

  • So Much Fun For All Ages!
Style: Extreme Geyser Tube
The media could not be loaded. So much fun for all ages in the park or camping trips!!
Reviewed in the United States on February 18, 2026 by Jodi W, Canada

  • Reliable
Style: Extreme Geyser Tube
Reliable tall spout!
Reviewed in the United States on February 17, 2026 by N

  • Spectacular Fun – Went Higher Than Expected!
Style: Geyser Tube
I got this Coke and Mentos tube for some backyard fun, and it completely exceeded our expectations! The setup was super easy, and the fact that it comes with Mentos included is a big plus. When we set it off, the reaction was incredible—the soda shot way higher than we thought it would! It was such an exciting and hilarious experience, perfect for kids and adults alike. Just make sure to do this outdoors and have a camera ready because it’s definitely a memory-maker. Highly recommend for anyone looking for a simple, thrilling, and educational activity. This little tube packs a big punch! ... show more
Reviewed in the United States on January 9, 2025 by bhargavi

  • Science experiment
Style: Extreme Geyser Tube
Awesome for kids
Reviewed in the United States on February 26, 2026 by tammy

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