When these three toddlers were babies, they hit developmental markers on a wide range of "average." Of course, if your baby isn't hitting milestones as early as your friend's child, or your firstborn, it's easy to get a bit anxious. Relax: Here's proof that kids develop at their own pace.

Ethan
19 months, Castaic, CA
Already a big sports fan, Ethan can't get enough football on TV or baseball on Wii.

Mayli
24 months, St. Paul, MN
Mayli enjoys going on the swings at the park -- but only if she can go really high!

Sam
27 months, Huntersville, NC
He's a fan of Thomas the Tank Engine and was giving his parents high fives by age 1.