Among John’s many licensed items were Ertl’s Bumble Ball, Crayola’s The Cutter, Irwin’s SpectraColor Image Pad, and Guzzlers from Ideal Toys.

Asked to give ten top tips to new toy-and-game inventors, Richard C. Levy and Ronald O. Weingartner went one better… Here, they offer not only their tips but also invaluable advice that shapes their thinking.