Polymer Clay Projects for Year 'Round Holidays and Special Events Mark your calendar! A whole year's worth of holidays, festivities, and special occasions can be celebrated with polymer clay. Party favors, centerpieces, wreaths, displays, decorations for weddings, birthdays, showers, and seasonal holidays can all be made (or made more special) using polymer clay. Projects include: Christmas Ornaments Wedding Flowers Valentine's Day Hearts Hanukah Menorah Easter Eggs Butterflies Mardi Gras and Halloween Masks Autumn Leaves