YOU SAID:
Mario kart Wii was my childhood
INTO JAPANESE
マリオカート Wii は私の幼年期
BACK INTO ENGLISH
Mario Kart Wii is my childhood
INTO JAPANESE
マリオカートWiiは私の子供時代です
BACK INTO ENGLISH
Mario Kart Wii is my childhood
That didn't even make that much sense in English.