Random.org chose comment number 6 as the winning comment.
Budget Savvy Diva = both Volumes (1 & 2)
Mommy PR = both Volumes (1 & 2)
The Thrifty Things = Phonics Volume 2 & Getting Ready for Kindergarten
So if you really wanted to win, there are other contests going on! You can always Google 'Rock 'n Learn giveaway' to find other giveaways and searching for giveaways on Twitter generally yields good results.