We bought this music cube because another couple with a baby 2 weeks younger than ours have it and our daughter LOVED playing with it right away, even before she was quite sure what it was she was supposed to do with it. Whenever she starts to get upset, I just put this in front of her and she will look up at me and smile and start playing with it immediately.The music selection is really good and the feature that allows you to turn on just one instrument or all of them will help the baby learn to distinguish sounds as s/he grows up. The cushioned corners are very nice as well because our daughter has now started trying to lift it and sometimes puts the corners in her mouth, so I am glad they are not sharp. It's also pretty durable, as she's rolling it and likes to bang her teething toys on the edges and it hasn't shown any adverse affects yet.I highly recommend this to anyone with babies or toddlers. My daughter is only 6mo right now and she's in love with this toy.