With behavior in accordance we finally got the chance to do the mentos challenge! Not much of an explosion but he wanted to do only one in each initially.
Maybe one day I will be able to explain to him why this particular candy and this soda create this reaction. (Of course after many Google searches and Wikipedia research)
File this under chapter 206: Science is cool when you don’t have to do it for a living!
*small meltdown when we had to come inside to eat dinner, duly noted*