From domino cascades to marble runs, pulley drops to wacky chain reactions — our inventors went BIG for the final challenge of Invent the Summer 2025! This week’s mission: Create a Rube Goldberg machine — an elaborate contraption that accomplishes a simple task in the most over-the-top way possible.
Be sure to vote for your favorite designs from 12:00 PM on Monday, August 18 through 3:00 PM on Tuesday, August 19. Winners will be announced around 8:00 PM on August 19, 2025.
