“Babies don’t need expensive toys – just this book and you!”
Check out this book: Baby Smarts by Jackie Silberg.  It was a “soon to be a mommy” gift from Boston’s own Mommy Niri (thanks!) at the Boston BlogHer Meetup.
One of the games from the book:

“Floating Feathers”
Developmental Milestone:  Babies who are 3-6 months old may [...]

I was recently the lucky recipient of this great advice:
Improving your life is about adding new things, not taking things away.
Here’s how it works:  If you want to watch less TV, find a new book that you are excited to read.  If you want to eat less junk food, add a salad to every meal.  [...]