Gravity Maze Falling Marble Logic Game - 1+ Players Condition: New Sealed Gravity Maze is one of ThinkFun's most popular stem toys for boys and girls, and was a Toy of the Year Award winner in 2017, in the Specialty Category. It's a gravity powered maze game that comes with 60 challenges of increasing difficulty, from beginner to expert, and makes a great birthday or holiday present for kids who like puzzles, smart games and challenging activities. Gravity Maze is made with high quality components, and comes with a very clear and easy to understand instruction manual - you'll be able to play within minutes of opening the box. Like all of ThinkFun's games, Gravity Maze has an educational aspect - it's built to develop critical thinking skills and tie into STEM subjects like science and engineering. Playing through the increasingly difficult brain teaser style challenges will sharpen your mind by improving logical reasoning, spatial reasoning and planning skills, all through fun gameplay. Like all of ThinkFun's games, it also makes a wonderful addition to any homeschool curriculum.