Infantino Shake and Pull Jittery Hippo Pal Kids can have hours of fun with this Infantino Toy. This hippo pal is easy to tug and fun to cuddle. Kids can pull it down and watch it jitter, rattle and climb back-up. The Infantino jittery pal is a textured, BPA-free teether. It also includes a hook for easy hanging from a car seat or stroller. The colorful hippo has a crinkle mane, a colorful flower on its head and two legs on each side.