Kids' Rube Goldberg machine

Here's video of the triumphant success of an elaborate kids' Rube Goldberg machine, created at an "informal Rube Goldberg summer camp for kids ages 3-8." I know nothing about this summer-camp, but it seems like one of the great Good Things of our era — especially judging from the awesome elation of the kids after the successful run!

How to Get a Beach Ball Into a Galvanized Bucket (the Hard Way)