iscream Happy Camper Summer Camp Picture-Changing Postcards Make it easy - and fun - for your camper to stay in touch with you during his or her time away from home Postcard pack includes eight made-in-the-USA plastic post cards, 4 each of two styles Each style flips between two fun, full-color lenticular images as you move the card back and forth! Back of card has the perfect space for a quick note from your camper about the fun she is having and space for an address and a stamp A colorful and fun way for your camper to keep everyone at home only a mailbox away!