This massive set of 250 standard plastic pattern blocks includes 25 yellow hexagons, 25 orange squares, 50 green triangles, 50 red trapezoids, 50 blue parallelograms and 50 tan rhombuses. These Pattern Blocks are precisely cut to easily fit together in every possible shape, combination, and pattern. No awkward gaps or holes! Use these math manipulatives to demonstrate math concepts such as: symmetry, fractions, measurement, and shape attributes. Additional learning concepts include angles, fractions, perimeter, and area. Pattern Blocks work hard for budding brains! Grow problem-solving skills, spatial awareness, fine motor skills, hand-eye coordination, and logical thinking. These Pattern Blocks are the standard shapes, sizes and colors and will compliment other standard sets or cards. Pieces are 0.5cm / 1/5" thick. The trapezoid measures 1.87" on the longest side. With 6 different shapes and colors, Pattern Blocks offer endless creative possibilities. Children can create flowers, cars, bugs and whatever else they imagine! This Pattern Block set is packaged in a plastic jar with a handle for easy storage. Take them with you to playdates and lessons! Pattern Block Manipulatives inspire children to play with purpose. Play is the best teacher! Made from solid plastic, these 5mm thick pattern blocks are tough enough to withstand years of classroom use. Essential & valuable educational tool for all nurseries, kindergartens, and schools. Ages 4+.