If your child has asked for a reptile, take some time to do some careful planning. Owning a reptile is a full-time commitment, even if they don't require the same type of care as your typical cat or dog. Before you buy a reptile for your child, read the information provided below. Here are four steps to consider before purchasing a reptile. Wait for the Right Age If you're going to buy your child a reptile, you want to wait for the right age.