This basic set contains 30 highest quality, magnetic parts; 18 squares and 12 triangles. The Classic 30 Piece Set is simple to use, and easy to build with from the moment the pieces are out of the box making it a perfect set for beginners. The color schemes of Yellow/Blue or Red/Purple build uniform structures that appeal to boys and girls of all ages. The Classic 30 Piece Set is an excellent starter set to build with, and add on. Only the best materials are used, High Quality ABS Plastic and 1/3" rare-earth NEODYMIUM magnet on side of the shape.