We bought this item for my daughter when she was a baby, but she did not enjoy it very much.  She did not enjoy "tummy time" at all, and so all of the toys that require baby to be on her belly did not interest her.  There is not much for baby enjoy on her back, though.  Even the mirror and music player are awkwardly positioned so baby cannot really see them when on tummy or back.  Thankfully, both of those items are removable, and so she was able to enjoy them off of the gym.  We attached the mirror to her stroller and would take the music player in the car with us for long trips.  The concept...