This is a homemade plaster nest made using a 3D printer. The first level is designed to absorb water without opening the lid. The second level also has small holes on the side for water supply. If necessary, I can drill connecting holes in 8mm, 10mm, or 12mm sizes. Please let me know the size you would like after purchase. Case size: 135mm x 93mm x 70mm Food dishes can be added. Small food dish: 110 yen Large food dish: 150 yen