Natural Architect Squares are beautiful smooth solid beechwood nesting squares in natural wood. They have a natural finish to show the grain of the wood, with the inner block a solid 3D square.Ideal for construction and imaginative playGreat for exploring size and scale and using mathematical language - larger, smaller, taller, steeperHeights: 40mm, 58mm, 76mm, 94mm, 112mm, 130mm and 148mm. Wall thickness 8mm x width 40mm. Age Suitability: 12 months+