553 Features: -Block.-Unique wooden 36 piece exploration block set.-Advanced architectural shapes.-Use your problem solving skills to construct cities.-Buildings and towers from around the world.-Encourages imaginative play.-Develops hand and eye coordination and problem solving.-Age: 1.5 years and up. Color/Finish: -Vibrant color schemes with both basic. Dimensions: -Dimensions: 2.5" h x 11.6" W x 14.8" D.