This is a handmade three-story set for a hamster cage, made using a storage case. The storage case is not included; please purchase one from a nearby home center and make holes with a drill. You should be able to buy one for under 1000 yen at any home center. You can create a spacious environment by utilizing the height of a large storage case. In about one-third of the storage case, you can provide plenty of bedding so your hamster can dig and build a nest as much as it likes. ■Size Approximately 39cm wide x 74cm deep x 32.5cm high, for a storage case. (Three-story structure) ■Basic Set Contents ・Three-story shelf section (prepared for easy self-assembly) - can be assembled in about 5 minutes. ■Options (Please comment if you would like any) ・Plastic container (for sand bath) … +500 yen ・Wheel … +2000 yen ・Bedding … +800 yen ■Points ・By putting plenty of bedding in a large space, your hamster can enjoy digging and tunnel play. ・Stacking is possible with standard storage cases. ■Reference Images Shown in the second image and later. (Actual installation examples) ■Please Note This is a handmade item by an amateur. While we make them carefully, there may be imperfections in the processing or minor scratches. Please refrain from purchasing if you are looking for the perfection of a mass-produced product.