Rubik’s Perplexus Fusion 3 x 3 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 kids and adult toy helps build problem-solving skills through challenging gameplay and is the perfect size for on-the-go fun. Perfect for toys for boys age 8-12 or gifts for 10 year old girl.