Child’s My Little Pony Halloween Costume. They're ready to soar off on magical adventures in a Rainbow Dash Jumpsuit Costume for kids size 8-10. This practical jumpsuit has a fitted style and features allover sparkles, rainbow stripes on the legs, a rainbow and glitter heart on top, and a detachable rainbow tulle tail. Complete their My Little Pony look with a fabric-covered headband with attached ribbons and a cloud, plus glitter wings with shoulder straps. Costume package includes: Jumpsuit Tail Headband Wings This darling costume was purchased, tried on but not worn. It is in excellent condition.