Children love making music and research shows that music develops the higher-level cognitive skills necessary for math and reading. Music Blocks Electronic Musical Toy by Neurosmith gives children an easy way to make beautiful music all on their own, simply by playing with blocks. There are 5 music making blocks of different colors and simple shapes on their sides. Simply press a block on the one of the block nests on the board and listen if you like your musical creation. You can try again to repeat the same tune, or make some completely different one. Creative possibilities are endless with Music Blocks Electronic Musical Toy. With Music Blocks, your child will be making amazing music - and amazing strides - for years to come! Neurosmith Music Blocks Electronic Musical Toy from Educational Toys Planet comes with one high quality speaker, digital sound and magnets to hold the colorful blocks in place. Music blocks toy requires 4 AA batteries (included).