FerplastModular "Science Lab" Add-on Unit, Features 3 Connecting Ports, 8.9L x 8.1W x 5.6H Inches

While another reviewer is correct, that this would likely be small for anything but a dwarf hamster, the customer can probably already tell that from the dimensions. Our dwarf hamster loves this little hideout, and carries his bedding and food to it every day to make a little nest. You do need to buy connecting tunnels or you won't be able to attach it to anything - but it is a great way to expand your hamster's habitat. The only downside is the price, but the tunnels and the whole system are much bigger than some other brands of tunnels that we looked at, and the fact that everything is clear instead of colored makes it much easier to see the hamster, so I'm willing to pay the higher price. Also, everything comes apart and is easy to clean.

Perfect for the cage I have

Don’t buy this lab. The furplast tunnels are great but the lab is awful. This product is MADE for hamsters. Hamsters CHEW! We’ve only had this a couple of weeks and my tiny hamster is destroying it! He has chewed the inside of the lab (see picture) and even worse, he can fit his mouth through the breathing holes and chews there (see picture). He has widened the holes and I can only imagine it will be unusable in a few more weeks. Oh! And the other person that said they can spin the top and get out? Yup!! Happened to us too. We had to TAPE the lid on. What a piece of junk. Totally overpriced and waste of money!

Very small. Recommend for a dwarf hamster only.

Hamster chewed through the top and is working on the inside, junk I'm my opinion.

The white top spins easily, allowing the hamster to loosen and push off.

Lo compré para un hámster ruso, mas que nada para que tuviera más espacio para correr y fue un acierto le encanta, juega mucho, y asoma su naricita por los agujeros para que le dé su premio.

Il mio orsetto russo adora questo pezzo aggiunto alla gabbietta

Our Hamster loves his Lab. He is almost always in it and only goes to his main cage for exercises. Was a good investment. It is Airy and at the same time cosy. We dont use the white middle thing that is not stable enough for a syrian hamster.

Unser Hamster liebt das "Lab".Perfekte für Zwerghamster.Wer sich ärgert wegen der Größe hatte noch nie einen Zwerghamster ^^