I wanted to give my hamster a bigger cage - here is an IKEA alternative to the DETOLF or LINNMON options :) : r/hamsters
DIY IKEA Detolf Lid (Hamster Cage) - YouTube
IKEA Hamster Cage Ideas - Critter Mamas
Bought a used ikea detolf for $40 today. Gotta get another bookshelf like the one on the left to put the other 40 gallon in and make a lid for the detolf.