fischertechnik"s Basic Blue Line offers a wide selection of choices for children 7 years old and up to pursue different paths of exploration. They design the highest quality construction sets that promotes logical thinking and creativity, so your child learns all about everyday technology while having fun building and playing. The fischertechnik basic building block can be built on all six sides, so the capabilities are unlimited. Sturdy and colorful construction set with 100 components and detailed instructions for building 3 fun-packed aircraft models. Product Measures: VariousRecommended Ages: 7 years & Up