Man builds a contraption that breaks apart a snowman piece by piece. Invention.
Boy has built an elaborate Rube Goldberg machine in a kitchen used to crack an egg into a frying pan with a mallet. He explains how it works and then demonstrates it. It works perfectly and cracks the egg into the pan. Invention, science.
Squirrel trying to crawl onto bird feeder, it breaks and falls.
AA Milk Pouring: Dog pulls a rope which starts crazy Rube Goldberg type of contraption with pinballs rolling all across living room - ends up with a carton of milk dumping into a glass afterwards dog gets a bone as reward
AA -- Milk Pour: Supposed former world horseshoe champion man tosses horseshoe, in midair pulls a wire setting off contraption that pours milk. The horseshoe is a ringer.
AA: Egg Crack. Bicycle egg cracking contraption. (rube goldberg)
The Domino Baby. Baby gets teddy bear via long domino trick.