Soda Sprinkler - using Mentos
thingiverse
Fill a tube with Mentos and insert a pin into the small hole to secure them in place. Then attach the tube to a bottle, preferably a two-liter one for maximum spray effect. Watch as the soda explodes out of the bottle in a spectacular display. I modified the tubes by adding barbs to allow hoses to be easily attached. The outer diameter of these barbs tapers from 0.40 inches to 0.50 inches, making it possible to attach a half-inch tube to the end. This added feature may not be necessary but could add an extra layer of fun to this project. Enjoy!
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