Rubber Ducky Orange Kitty and Purple Frog

I went and purchased 3 rubber squeak toys at the dollar store for Romeo. I throw them in the kiddie pool and he fishes them out. Romeo LOVES them! But I can't get him to STOP until I throw a tennis ball!! Then I have to throw another tennis ball under the garden gate to get him to drop the one in his mouth. Very complicated. He was so obsessed with the ball that rolled under the gate, that I was able to hose him off and he didn't even care! Now he is CLEAN for sleeping in our bed.