If you're looking for an inexpensive but highly effective attention grabber for your wee one, look no further than the Infant–Stim Mobile.
Here in San Francisco, the parenting hot spot Day One has one dangling above their changing table.
Responsible for mesmerizing my tot, the black and white images are sure to captivate most newborns straight from the womb. And when they have moved past the zebra colors, you can swap out the pieces with high contrasting color graphics. Twenty interchangeable cards are included in the $20 bargain.