Grades Pre-K and up. Children will love building geometry skills, learning the principles of construction, and expanding their creativity as they manipulate the mysterious forces of magnetism. MagStruction offers a dazzling array of colorful plastic shapes to challenge young architects' visual and spatial comprehension. Round, square, triangular, rectangular and hexagon-shaped pieces are embedded with magnets that can be joined into infinite constructions by the small metal balls provided. Press a metal ball into a piece's center hole and dangle constructions from the middleof a rooftop! Kids will invent new styles of architecture, construct candy-colored houses, schools, whole villages and more. Animals, robots, spaceships, geodesic domesthe possibilities are as endless as the builders' imagination!