Wonderful! The color, the motion, and the repetition of roundness make this such a dynamic photo. However, I especially like the universality of it. No matter where you might be in the world, children love to engage in this activity.
I see artists in the act of creation, both the subject and you the photographer.
The boy's expression and focus on breathing life into his colorful creations is captivating.
Your composition with the layers of round shapes of the bubbles, the toy, and especially the boy's cheeks, is outstanding.
This looks like fun! Voted!