1.58 kg. Harry Potter Castle originated from Czech Republic and is a Harry Potter series. Lego Harry Potter Castle is 1.58kg.. LEGO, founded in 1932, is located in Denmark. Is a world-renowned toy manufacturer. By the end of 222, LEGO has a history of 9 years, which can be traced back to its gold-lettered signboard Lego. The trademark "LEGO" has been used since 1932, "playwell", and the name quickly became synonymous with the high-quality toys produced by Lego in the toy factory in Bilong area.