Bouncer Castle ('Closed inflatable trampolines or CITs) are temporary inflatable structures and buildings and similar items that are rented for functions, school and church festivals and village fetes and used for recreational purposes, particularly for children. The growth in popularity of moonwalks has led to an inflatable rental industry which includes inflatable slides, obstacle courses, games, and more. Inflatable castles are ideal for portable amusements because they are easy to transport and store..