A young boy sets off a domino chain of VHS tapes and DVD cases that fall through the house and down the stairs, then the cases hit a mouse trap and launch a toy soldier into a cup. Multiple clips edited together.
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.
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
The Domino Baby. Baby gets teddy bear via long domino trick.