Timio Audio and Music Player Expansion Disc Set 4 is beautifully illustrated discs are magnetic and can be easily swapped by a child. To enhance the interaction and the learning quizzes and real sounds are included. The timio discs are playable in all languages of your timio. The playtime is approx 30 minutes per language or 240 minutes with all languages. Timio has a brand new packaging, but the player, discs or audio content have not changed. So if you bought your timio in the past you can order the disc sets in their new packaging without worries. The discs will work with any timio player. Disc set 4 themes includes nursery rhymes vol. 3, fairy tales vol. 2, fairy tales vol. 3, dinosaurs, insects.