Tweenbots: Because there isn't an "AWW" loud enough

http://www.tweenbots.com

Description: A woman decides that she's going to build little fragile robots that can only move in a straight line and let them loose in a park in New York, just to see how far they'll go. She doesn't expect any of them to survive.

Instead, what happens is complete heart-melting ":3". Watch the video and feel better about humanity.