Object: a flotation device, like a little child would use in a swimming pool

Good morning, boys and girls. Do you like to go swimming? It can be fun, can't it? It's great to just get in the water and paddle around, and move your arms and legs, and splash around. But the water can be deep and kind of scary, too. That's why it's a good idea for you to wear something like this. Do you know what this is? That's right, it's a (name of object). Wh…