An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Samples of clock drawings of children in age subgroup 1 (6–8 year old) on the top row (a–d), age subgroup 2 (9–14 year old) on the middle row (e–h), and age subgroup 3 (15 year old and older) on the bottom row (i–l).