The Standard Block set comes with 36 blocks in 11 different shapes: 6-half units, 4-units, 2-double units, 4-half pillars, 4-pillars, 2-double pillars, 4-columns, 2-Roman arches, 2-half ciricles, 2-small triangles and 4-double flats. Made from Smooth Sanded Hard Maple from Minnesota and Wisconsin. Very High Quality Wooden Blocks. All edges are smooth sanded, surfaced, rounded, and soft. Recommended age: 1+ years