Our exclusive 28 Piece Wood Block Sets create hours of fun. From stacking a wood castle tower, to building a wood bridge, or making a wooden playhouse; wood block play enhances imagination, spacial concepts, and problem solving. Best of all, wood blocks accommodate increasing abilities and changing interests through the formative years. All our hardwood blocks are sanded smooth with rounded edges and a natural finish and made in the USA.Average Wood Block Size: 2-1/4" square x 1-1/8" thick. Ages 2 years and up.