Oddball 20 Magnetic Sphericon-Inspired Design Wedges
Provides the Oddball's backstory (how it was created from slicing a Sphericon into 20 magnetic Wedges), and also how to play with the Oddball
More by Roger Von Oech
A Whack On the Side of the Head
A Kick in the Seat of the Pants
Ancient Whacks of Heraclites
Expect the Unexpected Or You Won't Find It A Creativity Tool Based on the Ancient Wisdom of Heraclitus
Roger Von Oech's Innovative Whack Pack 60 Creativity Strategies to Provoke and Inspire Your Thinking
Y-Ball
Big Ball of Whacks: 6-Color Edition: Bigger Size + 2 New Pyramid-Shaped Pieces!
X-Ball-Red
Ball of Whacks - Red
The Creative Contrarian 20 "Wise Fool" Strategies to Boost Creativity and Curb Groupthink
Eureka Ball It's a Puzzle! It's Geometric Art! It's a CreativeTool for Innovators!.
Star-Ball Magnetic Puzzle