Sea creatures are notoriously shy, but the ones you see here came out of their shells (so to speak) to tell you their stories. These koalas find the climate in the northern hemisphere too clammy for their taste. A eucalyptus tree of two long razor clams decorated with ring-topped cowries helps them feel at home. The baby rabbit's mini-mussel ears perked right up when his mom served him this shell-carrot dinner on a sea-biscuit plate. To make these and other shell creatures, follow our how-to below.