Sophie had the first drop. Simple. 1 bottle, 1 Mento resulted in a 1 foot fountain.
I got up to 4 or 5 and about 6 feet in the air but, my delivery device was flawed.
Hey, there is always next time.
Special thanks to Ken Denmead and his Geek Dad project for the inspiration to get out and do something fun with the family.
Have a look he and his GeekKid having some fun with the same: