Baby Einstein Kids II Play Discover Developmental Plush Blocks Set of four soft plush blocks in bright colors with all sides offering a variety of textures, pictures, interactive elements, and color names in three languages (English, Spanish French). Red block has a rattle inside and features nubby, terry, corduroy and satin textures Yellow block has a peek-a-boo sun with a mirror under the flap and a duck that really quacks Green block has a frog, pull his leg out and it vibrates when shrinking back Blue block has a bell inside and features the Baby Einstein turtle on one side These large blocks measure approximately 3 1/2" square on each side, making them easy for baby to manipulate. This excellent developmental toy is in very good previously owned condition.