A snack, and a swim - what a unique invention Roseann! You have chosen such a different item in your house to use as a swimming pool which is great, you are really thinking outside of the box. The dome shape of a watermelon would be perfect for swimming and all of that scooped out watermelon is really healthy and hydrating too. As long as you keep the fruit bowl stocked you could go for a swim whenever you wanted! I love the vibrancy and clarity of your drawing, the watermelon looks like the perfect fit for a pool. Please send us another invention soon!