{"document_url": "https://en.wikipedia.org/wiki/CritterTrail"}
CritterTrail is a brand of small animal cages produced by Kaytee. They are meant for hamsters, gerbils & mice. They feature a exercise wheel, water bottle & food dish. They are noted for their attachable tubes that can connect to other crittertrail cages.

Controversy

CritterTrail cages have been criticized for reportedly "not being safe" for hamsters, with many exclaiming that they do not apply enough room for hamsters. Others have stated they make good travel carriers, but not permanent homes.