We have just been and got two, assured that they are both males so no little pups. We had to sign a piece of paper saying that we won't handle them or let them out of their home for three days, take them to the pet if they become poorly, feed them the same sort of food they've been having at the shop and not sell them on. I got my 8.5 dd to sign because I doubt there will be the same sort of legal comeback that there would be for an adult if it all goes tits up.
So essentially, top tips for happy gerbils. We had hamsters in the past, but they are so stinky I said absolutely no way to another. These two look really adorable, but, I thought that about the hamster.............