So cute! Hungry Hippos make such an adorable group costume! Dress it up or down and you&#x27;ve got the most colorful, playful group costume at the party! All you really need is the hippo head and that is so easy to make: http://www.ehow.com/how_12341063_diy-hungry-hungry-hippo-costume.html?utm_source=pinterest.com&amp;utm_medium=referral&amp;utm_content=freestyle&amp;utm_campaign=fanpage