Sort puzzle-Nuts and Bolts is a free and popular sort puzzle game that is your best choice when you want to pass the casual time and train your brain. The goal of this sort puzzle game is easy yet fun: Sort the nuts， so that nuts of the same color are stacked on top of each other! How to play sort puzzle: -Click on any bolt to move the nut to another bolt. -The rule is that only nuts of the same color can be stacked and sorted. -There must be enough space on the bolt to allow movement. -Try no