Sylvanian Theatre. This is super rare and only came out in Japan. It came with several different backgrounds. | Toy theatre, Calico, Dollhouse miniatures
Sylvanian Families Calico Critters Ballet Theatre Set 5054131052563 | eBay
Sylvanian Families - Teatro de Ballet - Epoch - Playsets - Magazine Luiza
Sylvanian Families Ballet Studio - YouTube
Sylvanian Families FAIRY TALE THEATER BABY PAIR Calico Critters Japan Retired 4905040949677 | eBay