家族合わサケース Kazoku awa sakēsu
|User(s)||Doraemon, Nobita Nobi, Shizuka Minamoto, Suneo Honekawa|
|Episode debut||Swapping Moms|
|Manga debut||Switching Moms|
The Family Box (Family-Conjoining Cases) is one of Doraemon's gadgets. It was used by Nobita, Shizuka and Suneo to swap their moms.
It allows the user to swap any of their family members with another persons family member. For example, if Suneo swaps his brother Sunetsugu with Gian's sister Jaiko then Jaiko will become Suneo's sister and Sunetsugu will become Gian's brother.