Iguanas start life as six-inch hatchlings but can grow up to six feet in length. Most young iguanas start out as bright green but as they grow their skin color can change to variations of green and even red.

Bearded dragons are a type of ancient lizard, originally from the deserts of central Australia. "Bearded" refers to a flap of skin under the chin they extend when disturbed. Bearded dragons are usually very even-tempered and tolerate human interaction.

Leopard Geckos are easy to care for. These nocturnal creatures come in a variety of colors and patterns, and unlike most reptiles have moveable eyelids. Their skin appears to be rough with knob-like bumps but it is actually soft to touch.