Happy FrogsThe Baby Crib Mobile features a unique design that features Happy Frogs. This mobile is made of cardboard which should be dusted with a soft brush to maintain its quality. Mobiles made of wood, aluminum or plastic can be wiped down with a moist cloth and a few drops of mild dishwashing detergent. Suggestions for hanging up the mobile include positioning it out of reach of children, securing it to the ceiling with a cup hook, pin, adhesive pad or a