Wow...3,000 hours of work and there you have it ... a toothpick sculpture you can roll a pingpong ball through... right.

Excerpt: "
He was a teenager when he started building his sculpture, and had it not been for one wrong step Weaver took during a race, the project might still be unfinished. About a year and a half ago, he was running near San Francisco's Marina Green when he blew out his left knee. Though he limped to the finish, three subsequent surgeries forced him to take a temporary leave from his longtime job as a supermarket produce manger. It also opened up more than 900 hours of free time. Because Weaver's job doesn't pay much, he jokes that as far has hobbies go, his offers the best bang-for-your-buck: A box of 750 toothpicks costs just 99 cents. "Rolling through the Bay" has survived four homes, an earthquake, and Trooper, one of Weaver's four Great Danes who once obliterated Fisherman's Wharf with a swipe of his tail."