The Titan of Toy Invention Craft & Design Home By Bob KnetzgerBob KnetzgerBob Knetzger (neotoybob@yahoo.com) is an inventor/designer with 30 years of experience making fun stuff. View more articles by Bob Knetzger January 29th, 2013 Marvin Glass was the man behind Mouse Trap, Operation, Lite-Brite, Rock ‘Em Sock ‘Em Robots, and dozens of other iconic toys and games. Tagged MAKE 32 By Bob KnetzgerBob KnetzgerBob Knetzger (neotoybob@yahoo.com) is an inventor/designer with 30 years of experience making fun stuff. View more articles by Bob Knetzger Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New ArrivalsMaker Faire Event Hats$30.00Make: Skill Seeker Maker Workbook - Print$16.99Lil' Makey Plushie$10.00 Get Make: Magazine $19.99