We love this delightful interactive toothpaste packaging, designed by Miriam König. The illustrations on the tubes are printed using soluble inks, which dissolve when they come into contact with water, revealing a new image. Read more: http://designtaxi.com/news/373110/Delightful-Toothpaste-Packaging-Changes-Its-Design-When-Placed-Under-Water/#ixzz3sUt2CwOP