The Whistling Glass Kettle.
If you boil water on a stove, it should whistle. Chooo is transparent in its assembly, nothing is hidden, you understand the parts and how it has been put together, instantly. The Whistling Glass Kettle is designed to be used on gas stoves but will also work on electric hot plates. It will not work on Halogen glass surface or induction cookers since it is see through. It puts a smile on our faces, hope it does the same for you.