ThinkFun Gravity Maze Marble Run Logic Game and STEM Toy for Boys and Girls Age 8 and Up &ndash; Toy of the Year Award Winner What you get  Gravity Maze is a combination logic game, marble run, and STEM toy that's one of the best gifts you can buy for boys and girls age 8 and up. It contains 60 challenges from beginner to expert, a game grid, 9 towers, 1 target piece, and 3 marbles. Clear instructions  Easy to learn with a clear, high quality instruction manual. You can start playing immediately! Develops critical skills  Playing your way through the challenges builds spatial reasoning and planning skills, and is partly an engineering and building toy that provides a great stealth learning experience for young players. Comes with multi-level challenges - Gravity Maze comes with 60 beginner to expert challenges that become increasingly difficult as you play through them. Award winner  Winner of several awards including the prestigious Toy of the Year Award in the Specialty Category, from the Toy Industry Association, along with a Parents Choice Gold Award, and more.