Boxes and Climbing

What is the fascination babies have with crawling in and out of boxes... for example...

photo June 8, 2009.

photo June 4, 2009

photo June 4, 2009
And climbing into the high chair. Our highchair has wheels, so we try to discourage this behavior (mostly by keeping the tray on the chair), but she's managed to get up and down without falling. I swear, she is a little monkey.

photo June 30, 2009 (today)

photo June 11, 2009