Butterick 6848, ©1988. Childrens Size 4-14, Chest/Breast 23-32. Spider, Unicorn and Bumblebee Costumes: Very loose-fitting costume has back opening with ties, contrast applique variations and long sleeves and legs with elastic. Unicorn has contrast tail with bow and self-lined hood with pleated ears, stuffed horn, contrast mane and Velcro® closing. Spider has stuffed front and legs and elasticized bow tie, hat and self-lined hood. Bumblebee has self-lined hood with back slit.