U can check their website. I believe they have this info. I use this tool but can't remember how many DVD & CD they have. It is quite a lot.
What i can remeber is sing along hv 4 DVD + 4 CD + 4 books for child & 4 books for parent,
play along 3 DVD + 3 CD only 1 lycris book for child & parent. 11 program DVD + 11 books & about 22 CD. Some toys...Hope it can help.