Whimsical World Collection (Chinese: 異想天開; pinyin: Yi Xiang Tian Kai) is Taiwanese Mandopop artiste Rainie Yang's (Chinese: 楊丞琳) first collection album. It was released on 23 April 2010 by Sony Music Taiwan. It has two editions : the Deluxe Edition and the pre-order edition of 3 CDs and a DVD with 3 new tracks, 35 previously released tracks and 15 music videos from her five studio albums