Building off of Duncan's top selling brain games, the Combo Pack makes for a terrific gift set to include the three best games in one set! Color Shift Puzzle Ball - Great for the beginner solver! Challenge your solving skills while having loads of fun! The Color Shift Puzzle Ball can be solved by matching all of the colored balls with their corresponding colored rings. There are 12 with only 11 filled with a colored ball. Utilize the empty hole to shift balls around to find their matching hole. Once all balls match their colored outer rings, the puzzle is solved! Serpent Snake Puzzle - Duncan Serpent Snake Puzzle is a twistable challenge of unlimited puzzle shapes. Start twisting and let your imagination transform your thoughts into shapes. Turn a ball into a triangle. A snake into a shapes. Turn a ball into a triangle. A snake into a dog. Use your own creativity to make your new shapes! Assorted color Quick Cube 3X3