Bulbul is a kettle designed by Achille Castiglioni and produced by the Alessi brand.Inspired by a curling stone shape, Achille Castiglioni proposes a kettle with a rounded shape that seems to slide on the kitchen top.With Bulbul appears the extraordinary ability of Achille Castiglioni to translate qualities and functions taken from objects belonging to completely different fields, into a project.Made of stainless steel, the kettle features a black whistle handle with a magnetic steel bottom suitable for induction cooking.