Pattern Block (foam)Pattern blocks offer a distinctive way for your child to learn shapes , Using geometric , color shapes such as triangle ,square ,parallelograms, rhombuses, trapezoids and hexagons, provide hands-on activities for learning fractions, shapes, addition, subtraction and other mathematical concepts. Geometry shape activities encourage tour child to learn math with an entertaining approach. Kids also learn designs, relationships, angles, area, perimeter and symmetry with pattern block activities .Use these sets of 144 blocks, in six shapes and six colors, to explore pattern, symmetry, linear and area measurement. (Pack of 144 PCS)