3 yrs. & up. Kids enjoy hours of creative play with these time-honored classroom favorite unit blocks. Crafted from hardwood, which is stronger than oak, each block is finely sanded smooth to insure it will be splinter-free. All edges are beveled and corners are safely rounded. These classically designed blocks are based on the precise unit size of 2¾" wide x 1⅜" thick x 5½" long.
86 Piece Sets include: 14 half units, 24 units, 8 double units, 4 quad units, 8 pillars, 4 columns, 2 roman arches, 2 half circles, 8 small triangles, 4 large triangles, 2 ramps, 2 half gothic arches, 2 small buttresses and 2 double triangles.