Math & Geometry

The Inscribed & Circumscribed Figures set includes nine metal insets with the frames mounted on a hardboard backing.  Each of the five circle and four square insets come in graduated sizes, and their frames measure 14 cm x 14 cm.

The Inscribed and Circumscribed Figures set includes nine green metal frames each with a single red inset and brass knob.  The figures include five circles and four squares of varying sizes.  Each frame measures 14 cm x 14 cm. All Gonzagarredi...