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Products from the Store (view all)

Deluxe Mentos Geyser Tube

Deluxe Mentos Geyser Tube

$5.99
Launch a Mentos soda geyser 30 feet in the air with Steve Spangler's Mentos Geyser Tube. This variation includes interchangeable caps to change the eruption.
Great Geysers Car

Great Geysers Car

$34.99
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!
Big Bag of Science

Big Bag of Science

$39.99
It's an ENORMOUS science kit containing loads of Spangler favorites for a great value. The 30-page instruction manual will guide you and your young scientist through each experiment with easy to follow directions and simple science explanations.
Naked Eggs and Flying Potatoes Book

Naked Eggs and Flying Potatoes Book

Naked Eggs and Flying Potatoes is a geek-chic look at Spangler’s latest collection of tricks and try-it-at-home activities that reveal the secrets of science in unexpected ways. Amazing photographs accompany the step-by-step instructions, and simple explanations uncover the how-to and why for each activity. Make potatoes fly, bowling balls float, and soda explode on command.

Experiments from the Lab

Posts from the Blog

Mentos Geyser Tube Featured on Food Detectives

Ted Allen, host of Food Detectives on the Food Network, featured a segment using our Mentos Geyser Tube toy as a trigger device for their exploding soda segment. The producers did a nice job of explaining the science behind the eruption and even shared a cool variation of slowly lowering several Mentos into the bottle using a piece of wire. The [...]

ABC News Breaks the Mentos Story… only three years late!

This story came across my Google alerts today from the crack team at ABC News... "Science of Mentos-Diet Coke Explosions Explained." My fingers couldn't click on the link fast enough. New research finally explains this amazing phenomenon? Here's the opening sentence of the story... The startling reaction between Diet Coke and Mentos sweets, made famous in thousands of YouTube videos, finally has [...]

MythBusters Take a Stab at the Mentos Madness

I mentioned in a previous blog post that Steve Jacobs (consultant for the Discovery Channel) called in May to let me know that Adam Savage and Jamie Hyneman from MythBusters were going to do a segment on the Mentos things. Steve wanted to be able to share what worked well for us and our latest scientific explanation. The MythBusters episode aired [...]

Latest Mentos Theory

... but I'm not buying it. The Orlando Sentinel recently ran a article in their Weekend Leisure Playing with Food section by Jane Snow about the Mentos and Diet Coke experiment. They turned to Robert Wolke, chem professor at the University of Pittsburgh for an explanation. Here's what he writes... "The scientific explanation is that craggy-surfaced Mentos candies help release the carbon dioxide [...]

Best Science Toys for Kids

Are you looking for creative gift ideas that the kids won't set aside on December 26th? What about the present that gives the gift of discovery and learning? Here are our Top 12 Picks that make great gifts that open minds and keep them engaged for a long time.   (more…)

Top 25 Gift Ideas for the Holiday Season – Smart Toys Everyone Will Love

We might like to play the same game during the holidays… Guess which toy the kids will play with the most after everything has been ripped open and the house is a disaster. That’s the criteria we used in selecting this year’s Top 25 Holiday Gift Ideas from SteveSpanglerScience.com. If you’re looking for a toy or gift that makes the person [...]

Congratulations to Our Teacher Appreciation Winners

At the beginning of May, we asked you to nominate your favorite science teacher for our Teacher Appreciation Award.  The entries came pouring in, and we are excited to spotlight our winners.  Huge thanks to everyone who participated!  We found some truly remarkable teachers out there and we are excited to feature them here... and each of our winners gets a [...]

Top 25 Holiday Gift Ideas – Educational Toys with a High Wow Factor

We might like to play the same game during the holidays… Guess which toy the kids will play with the most after everything has been ripped open and the house is a disaster. That’s the criteria we used in selecting this year’s Top 25 Holiday Gift Ideas from SteveSpanglerScience.com. If you’re looking for a toy or gift that makes the person [...]

You Might Have Missed the Point…

  According to Guinness World Records, the 973 Mentos-powered soda geysers launched at Arena Park in Cape Girardeau, Missouri is an official new record. Jason Lindsey from KFVS-TV in Cape Girardeau shared his goal with us for setting a new world record back in August and needed just a few Geyser Tubes and Mentos® chewy mints to make it happen. "Contributing the materials was [...]