Shape by Shape is one of ThinkFun's fun stem toys for boys and girls, and is a winner of the National Parenting Center’s Seal of Approval. It's a creative pattern 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. Shape by Shape 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, Shape by Shape is built to develop critical thinking skills. Playing through the increasingly difficult challenges will improve logical reasoning and visual perception skills, all through fun gameplay.