Rainbow Ball is a Beginner puzzle with 12 holes and 11 corresponding color balls. You pass the balls inside, one by one, to match their corresponding colors., Puzzle Cube is an Intermediate level challenge. This Puzzle Cube is for those who found it way too easy to complete our Puzzle Rainbow ball. We went back to the drawing board and redesign this puzzle which adds a few new layers of difficulty., The Cube has 4 sides and a total of 32 balls, with 8 on each side. On each side, the balls can be rotated clockwise or counterclockwise. That being said, we have added a gyroscope feature to the puzzle to slightly increase the difficulty., Children's and Adults' brain development toys, decompression and stress relief toy. Great for brain teasers, fidgeting moments, and much more.,