The versatile nature of blocks lends itself to unending creative play while subtly teaching basic concepts of math size and balance. Made of select hardwood with sanded, beveled edges, they'll last for generations. Our sets are based on the standard unit block (1½" x 2¾" x5½") and are sequenced to meet developmental needs. We include more unit and double unit blocks than most other sets. Ages 3 yrs and older. (Families sold separately) Picture is a composite of several sets. Starter set includes 32 pieces and 7 shapes. 12 unit blocks, 6 double unit blocks, 4 half unit blocks, 4 pillar blocks, 2 large triangle blocks, 2 ramps, and 2 large cylinder blocks.