Plui is a charming water toy that's guaranteed to add plenty of fun in the bath tub or at the swimming pool. Immerse it in water to fill up and then let it rain. The key is how you control the flow of water simply by sealing or opening the top nozzle with the tip of your finger. Kids will have a ball and playfully learn about basic physical principles. Plui arouses curiosity and stimulates the kids' imagination and senses. Easily comes apart for cleaning and drying. Measures 3.3".