The hula hoop is an interesting way to teach a kid a swimming stroke! Kids love anything hands on and interactive. It is certainly more fun and stimulating to the brain. It also translates well to the mission at hand with swimming. :)
I think your thoughts on relational thinking are very intriguing and insightful. It is an interesting take on how creativity arises in individuals, where inspiration is derived, and how relational thinking is evolving due to the contexts of our environment. Very interesting video to accompany it as well!