Fifty-some years ago, Merck Sharp & Dohme developed a children's syrup in colorful packaging slider boxes with illustrations of spacemen. This packaging novelty should probably go in some annals of advertising as the world's most successful ploy to sell medicine to young childen. Who wouldn't love this adorable box? When the box was fully expanded it contained an actual bottle of children's cough syrup, but it became a playful interactive container when empty. With a little imagination and your own graphics, this model of an interactive box of any size could easily be repurposed for a fun container to fit a book of any sort. Be bold, and explore new territory where others fear to travel. Many thanks to Neato Coolville for these fine images.