Baby Bat Costume Crochet Pattern – Step by Step Tutorial Learn how to make this adorable black and purple Baby Bat Costume step by step with simple crochet instructions. If you are looking for a cute handmade Halloween outfit, this Baby Bat Costume is such a fun project to make. I wanted the design to look cute, simple and a little spooky without making it look too complicated. The finished costume has a black crochet romper, a purple belly, matching bat wings, a bat hat with big ears and cute matching booties. The black and purple combination makes the whole outfit look like a tiny little bat. What you will learn: How to start the bat hat How to build the hat round by round How to make the purple bat ears How to make the crochet romper How to create the bat wings How to make matching baby booties How to assemble everything together ...