The Language Builder® Blocks set includes: 40 custom-designed solid wood blocks in vibrant colors that are ready-to-use or can be enhanced by the free, one-of a-kind Language Builder® Blocks App for iPad, 100 unique picture cards of randomly created structures for children to recreate. Ranging from structures comprised of 1-40 blocks to meet a wide range of abilities, and 20 " Pretend Play" picture cards of structures made to look like other objects - like animals, foods, transportation, everyday objects, and more.