You heard the ditty from your friends when you were a kid: don't step on a crack or you'll break your mother's back.

It wasn't cracks you had to watch out for at the library Friday afternoon, it was rainbows, butterflies, even a boat you had to avoid.

Here, Holden Conn, 8, adds his chalk art to the walk in front of the Ada Public Library.

ARTISTS BELOW:
• Noellee Conn, 3
• Lincoln Conn, 5