Inscribed and circumscribed figures

Inscribed and circumscribed figures, is a game, made entirely of birch wood, useful for the study of geometry. The set consists of nine wooden base frames containing four red squares, decreasing in length and width, and five red circles of decreasing diameter. The game encourages the discovery of inscribed and concentric figures through concrete sensory experience. Circles and squares are equipped with knobs for easy gripping and manipulation.