sago mini - jack the rabbit mini plush stuffed toy animal (6") sago mini now in an adorable 6" size! jack is happiest when he’s busy, and he’s always busy. see if you can keep up. meet the sago mini friends! sago sago has teamed up with monster factory to create these adorable plush toys. from the wildly popular preschool apps, these hand-crafted toys are the perfect playmates for any young child.