You can find out about baseballs, grip, bounciness, gravity, wind, and "sweet spots." There is a Time Machine with the stats of famous players, and there are stories about The Girls of Summer. You can also try out the online fastball experiment or curveball practice with a Styrofoam ball.
This website is brought to you by the Exploratorium, a museum in San Francisco where fun is an important part of learning.
Attention Parents: Read our full review on the Parents page.