Rubber Ducky Fun. Have some super super-sized fun with this Polka Dot Rubber Duck. This rubber duck is the perfect addition to baby showers, gender reveal parties, and bath time fun! Its intended for children 3 months and up. Duck party favors are a nostalgic favor for children of all ages. Stock up on the duck favors and decorations you need for rubber duck themed parties, carnivals, and baby showers!