Sanrio Puroland サンリオピューロランド
Indoor Sanrio park since 1990: price and hours change every day, and you need to book.
Sanrio theme park entirely indoors, opened in 1990 in Tama: according to the operator, the second-oldest indoor theme park in the world. Everything (shows, character meet-and-greets, shops) is in a building of four floors plus two basement levels. Price, hours and whether entry must be booked change every day.
Tokyo
Odakyu Tama Center, Keio-tama-center