Ключевые слова: abstract, background, birthday, black, card, celebrate, celebration, child, clown, clown nose, comic, concept, conceptual, crafts, creative, creativity, culture, day, emblem, entertainment, event, expression, face, fake, fools, fun, fundraising, funny, glasses, greeting, handcrafts, happiness, happiness day, happy, holiday, humor, humorous, international, international event, international happiness day, march, moustache, mouth, nose, party, pop, red, relief, smile, symbol,