Perfect foraging toy for those birds that are too smart for their own good and this Foraging Carousel Bolt-on Bird Toy happens to be one of the most physical and mentally challenging! The carousel has four compartments and each has a door on it that can be opened, however each door opens in a different way so that is four different puzzles in one bird toy. This toy is recommended for birds who have already mastered the basic foraging toys. Dimensions 6" x 6"