We bought this for our 9-month-old twins. The two of them have a blast when they play with their Air-tivity Ball Fountain. The balls are little enough for even their tiny hands to pick and and play with. They both screech and laugh when the balls come flying up. Sometimes the balls can go all over the place, which makes it a little extra work to go and retrieve them all. It makes funny sounds and music, too. I was suprised when it said it needed four D batteries, though! I use that in our SWING which plays music, lights up, and has six varying speeds! Hopefully then, the batteries won't have to be replaced as much since they're so big. All in all, this is a fun and different toy that'll entertain for a long time!