"It's fun to blow bubbles " "I make big giant bubbles" "My daddy blows big and little bubbles" "I blow medium bubbles" "I can blow bubbles with my mouth" - all direct quotes from 3-4 yr olds about bubbles. For very young children, blowing bubbles is mostly a fun novelty. They really don't connect 'blowing bubbles' with breathing. In actuality though, bubbles are EXACTLY breathing and its the most important skill to introduce to a beginner swimmer...