This little Big Bird Baby Costume was made entirely from scratch without any patterns. Wowzer! The Big Bird costumes I found for sale we not that appealing to me, but I did find some other good Sesame Street costumes: Elmo, Cookie Monster, The Count, etc.
Sesame Street Character Inspired Tutu Costume Dresses
BLACK FRIDAY SALE Cookie Monster Inspired Tutu Dress Costume for dress up or playtime or birthday parties Choose your character Elmo Oscar A by shoppe3130 on Etsy https://www.etsy.com/listing/110672389/black-friday-sale-cookie-monster