Invasion of the Cow Snatchers is one of ThinkFun's most fun new stem toys for boys and girls. It's a fun magnet maze logic game that comes with 60 challenges of increasing difficulty, from beginner to expert, and is one of the best gifts you can buy for kids who like smart games and a challenge. Invasion of the Cow Snatchers 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, Invasion of the Cow Snatchers is built to develop critical thinking skills. Playing through the increasingly difficult challenges will improve logical reasoning and critical thinking skills, all through fun gameplay.