Magna-Tiles® Black 32 Piece Set includes: 14 Small Squares, 2 Large Squares, 4 Isosceles Triangles, 4 Right Triangles and 8 Equilateral Triangles. These tactile, Matte Black Magna-Tiles® are sized just right and easy to use, whether creating designs on a flat surface or building in 3-D. Basic shapes are learned through play. Magna-Tiles® develops patterning, shape recognition, building and motor skills. Use them for guided activities or hours of open-ended fun and exploration. They will work well alone or together with Magna-Tiles® Clear Colors to build windows, skylights, etc.