Build a tower, a town or just about anything with these large solid-wood standard unit blocks! The 60 big, smooth-sanded sturdy blocks are naturally finished with a classic look for hours of classic fun. Also, a handsome wooden storage crate makes clean up and storage easy! You'll find a large variety of sizes and shapes including arches, columns, squares, rectangles, triangles, cylinders, 1/2 and 1/4 circles, as well as basic, half and double unit blocks. Use this in the classroom, and you'll encourage skills like basic math concepts, creativity, hands-on experience, imaginative play, organizational skills, physical development, sequential skills, sharing, social interaction, spatial relations, and structural design. Measures 15' x 12.25' x 5.25', and is recommended for ages 3 and up.