Dowling Magnets Foam Fun Magnet Pattern Blocks Includes 200 foam Magnet Pattern Blocks (20 yellow hexagons, 20 orange squares, 40 green triangles, 40 red trapezoids, 40 blue parallelotrams/rhombi) and activity booklet in a storage bucket with lid No slipping--back side of each soft foam shape features a solid piece of flexible magnet. Shapes measure .21 inch thick. Child safety tested for ages 3+ Ideal for identifying, describing, and comparing 2-d shapes; exploring other geometry concepts, learning colors, discovering fractions, building beautiful designs, and more