How did u make your hamster have pee in proper place O__o ?
No they didn't actually. they peed inside and outside the box 
Oh, I understand.
Once I had hamster which learned how to pee only in the jar I put in his cage
. But other hamsters didn't 
.
Once I had hamster which learned how to pee only in the jar I put in his cage
. But other hamsters didn't .
That's amazing...