ThinkFun Brain Fitness Solitaire Chess - Fun Version of Chess You Can Play Alone, Toy of The Year Nominee

Think Fun All Queens Chess

ThinkFun Color Cube Sudoku - Fun, Award Winning Version of Sudoku Using Colors Instead of Numbers For Age 8 and Up

ThinkFun Brain Fitness Solitaire Chess Logic Game and STEM Toy for Age 12 and Up

3 Man Chess

Think Fun Lunar Landing Logic Game and STEM Toy - from The Inventor of The Famous Rush Hour Game

John N. Hansen: Chess 4

ThinkFun Brain Fitness Knot So Fast Knot Tying Game for Age 12 and Up

Rush Hour: Brain Fitness

ThinkFun Swish - A Fun Transparent Card Game and Toy of the Year Nominee For Age 8 and Up

ThinkFun Izzi Puzzle - Builds Thinking Skills Through Fun Gameplay