Coke in a plastic bottle (2 liter)....you can use generic brand it works as well.
String...we used it in the picture but you don't have to can just drop mentos in the soda
We ties the mentos to the sting, but then did it again later cause my son LOVED this and just dropped the 3 mentos in the coke and watch out cause it will go very high.
If your kids like science, like we do be sure to check out our Science Board. Below are some of our favorites.
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