Play Sort Puzzle - Nuts and Bolts, a free and addictive sorting game! Train your brain by stacking nuts of the same color. Simple yet challenging, it's the perfect casual game to relax and sharpen your logic skills. Play now and start sorting! sort puzzle, nuts and bolts, brain game, logic puzzle, kids puzzle, puzzle game, free puzzle, cognitive skills, mental exercise, casual game, relaxing game, no blood, challenge, strategy, color matching, bolt puzzle, mind sharpening