I use the candy “Pop Rocks” he saids it feels odd in a good day. And I LOVE the taste so much more becuase it last for a very long time. Lol Something kind of odd if anyone wants to try it. He has to be hard before you put the pop rocks on. A tip about that is lick it first or suck on it for a while the either dip it in or pour it on top. Also it gets VERY sticky so be sure to wash after words. And if you have long hair be very careful it can get messy!