there are three types of russian dwarf hamsters, the winter whites (i have 4 of these) the campells and the roborski
out of these three i would say that roboroskis are the fastest, and the cambells and winterwhites are very similar.
if you are getting from p@H then i would suggest that you research a little on sexing these hamsters so you have a little idea as to what looks like a male and what looks like a female.
things that they can knaw on include: cardboard, fruit tree branches, toilet tube rolls, and knawing objects that you can get in shops.
good luck with your new hammies
