hmm, im not sure either. ditch them and get some robo dwarfs!! if u get a large tank u can get an awesome colony. they are the smallest dwarf hampsters commonly available in the trade.
Back in the day - my grade 5 class had pet mice, then they had babies..
I took 12 of them home.. and in a matter of months they started to hump one another. So hopefully dwarf hamsters are a lot less... "active" lol