This wonderful set of blocks is suitable for beginning block builders to expert architects. Through play, children learn the basic laws of structural engineering and hone spatial thinking skills. Purchased alone or with other sets, this is a toy that provides almost limitless play possibilities. Comes with a 32 page, German language booklet filled with building ideas. Don't speak German That's OK! The pictures speak for themselves. Compatible with the Haba's Ball Track Construction Set. 60 pieces Made of untreated beech wood Includes fabric bag for cleanup and storage Various sizes. Smallest Block 1.5 x 1.5 x .75 in. Made in Germany Ages 3 Years