From the Manufacturer
The Music Blocks Classical Collection includes Mozart, Beethoven and Tchaikovsky. Bring the symphony home with this easy-to-use classical 3 in 1 cartridge! Just snap the cartridge into your Neurosmith toy and listen as your child creates unique and exciting compositions of their very own. Requires Neurosmith''s Music Blocks, Music Blocks Maestro, Jumbo Music Block or Jumbo Music Ball.
Buy Music Blocks Classical Collection