VIEW IN GALLERY This crochet happy little hippopotamus hat is super cute and perfect for keeping your little one warm! In fact, it’s great for anyone, any age! Hippo crochet projects can add a focal point to a specific area in the home and are great little conversation starters. Get crafty now ! Materials: Worsted weight yarn. Size H Crochet Hook Tapestry needle 2 small black buttons 2 purple buttons (optional)