These tactile, colorful 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. Develops patterning, shape recognition, building and motor skills. Can be used for guided activities or hours of open-ended fun and exploration.48 pc. DX Set Contains: 12 Small Squares, 4 Large Squares, 6 Isosceles Triangles, 10 Right Triangles, 11 Equilateral Triangles, 1 Wheeled Piece, 1 Arch and 3 Special Shapes.