ZOOM video segment in which the cast shows how the 34 steps in their Rube Goldberg invention use everything from gravity to carbon dioxide gas in order to accomplish one simple task: pouring a glass of milk. [5:05]

Kids Invent Stuff is the YouTube channel where 5-11-year-olds have the chance to get their invention ideas built by real engineers. Kids are encouraged to submit their ideas for inventions to solve a different challenge each month. This...