I bought some of these books for my daughter who is 8 months. Obviously she's not going to crank out the next big startup by the time she's 3 with these, but I hoped that they would expose her to what her father does for a living and to not be intimidated later in life by math and programming.
Web Design For Babies 2.0: http://amzn.com/0988472600 A Is For Array: http://amzn.com/1489522212 Introductory Calculus For Infants: http://amzn.com/0987823914
This is more general learning, but we got one of these, and my daughter loves it. She's still learning the different things it has to play with. http://www.target.com/p/b-zany-zoo-wooden-activity-cube/-/A-...