Cage upgrade! This is a 40 gallon tank made for reptiles (but it still works with hamsters, right?) : r/hamsters
Wooden Hamster Cage Cute Hamster Houses
Amazon.com : YYDD Hamster Cages and Habitats Hamster Cage Reptile House Aquarium Ornaments Fish Tank Decorations Landscape Scenery Supplies Hamster Cave Terrarium Hideouts Gift Hamster Hideout : Patio, Lawn & Garden
Amazon.com : BUCATSTATE Hamster Cage Metal - Small Animal Habitats Stackable with Deep Burrow Chew Proof 31.4in*17.6in*20in for Dwarf Syrian Hamster, Mice, Gerbil, Reptiles : Pet Supplies
Amazon.com : Prolee Hamster Cage Wooden 40 Inch Mice and Rat Habitat Openable Top with Acrylic Sheets Solid Built : Pet Supplies
How to build a hamster aquarium - YouTube
Tank Topper Aquarium Hamster cage for hamsters, Rat, Mice & Gerbils
Hamster , Gerbil, Mice Tank with lid and shelf and ladder - 36 “ X 21” Tall X 15 | eBay