Storage for pool. looks Easy to build. believe the bottom would have more holes for water draining. Maybe staple some sort of screen inside the bottom also to keep small critters out and probably some casters or short legs to keep it off the ground.
This toy box is made out of recycled pallet wood. As it is big, I put a separation within to ensure that toys do not mix together too much! I chose the thicker wooden paddle for the top so that children can sit on it. It remains only to paint