Hippo Wall Sticker $38.00 This playful hippo is ready to stand watch over the nursery and add a whimsical touch to the walls while she's at it. Use on its own or combine with the lion, monkey, or elephant (sold separately) to create the whole zoo! Each wall sticker is made of self-adhesive vinyl and can be removed when it's time for a change. A fun piece of wall art for any child's room!