Take your Marble Genius® Marble Run toy or Marble Maze game to the next level with challenges and interactive instructions. Have fun and get inspired using step-by-step picture guides to create spectacular marble runs or marble mazes with any of our Marble Genius® sets (Starter Set, Super Set, Extreme Set, Marble Maze, etc.). BE CREATIVE: Marble run toys are open-ended and work best when you create your own configurations. We've provided 12+ step-by-step marble run projects in this app, comple