The data of KIT-M3 at 3 months old (in Wave 1) and KIT-M3 at 6 months old (in Wave 2) has been released. Datasets, instruments, and documentation are available at the Survey Research Data Archive, Academia Sinica, at https://srda.sinica.edu.tw/search/metadata/detail/D00180 (KIT-M3 at 3 months old) and https://srda.sinica.edu.tw/search/metadata/detail/D00181 (KIT-M3 at 6 months old). For the complete list of KIT data, please visit https://srda.sinica.edu.tw/plan/?idx=SRDA.AS032.