Rubik's Perplexus Hybrid 2x2 unites two mind-challenging puzzles in one! Roll the steel ball to the START space and twist the Rubik's Perplexus to align the tracks and maneuver the ball through the inner maze. Roll past increasing numbers along the track on your way to the finish line without falling off the track. Put your skills to the test. Complete the Maze, Complete the Cube. The Rubik's Perplexus Fusion helps build problem-solving skills through challenging and engaging game play, and is the perfect size for on-the-go fun.