I think they will eventually cool off a little but not like some other caramel sets from 7-10 yrs ago have..while we are here, I have had these as my types for quite a while...I got the Purdue in a 3 holder and have $20 into him and the Jennings is raw in GD+ and I paid $45 for him. I paid $400 for the Knabe raw (now in a 40 holder) in a poor deal I did. (ya' can't win them all)