Lego Great Ball Contraption. (YouTube). Not enough balls? Try this one. (YouTube) More about Great Ball Contraptions: one two
Top 10 Food-Based Rube Goldberg Machines (videos) If this type of food preparation is too elaborate for your tastes, the Super-Fast Pancake-Sorting Flexpicker Robot might be more to your style.
Incredible Machine 01 - clever Japanese Rube Goldberg type devices in action. Film clip, annoying soundtrack alert. (via digg)