Clixtiles is a high quality brand, tiles made from food-grade plastic phthalates and bpa free 100% safe for kids it helps with Stimulating Problem Solving, STEM subjects, Motor Skills, Shape Recognition, Magnetic principles, architecture, and Gravity. kids can create bigger and stronger structures thanks to our strong magnets. , , Clix-tiles 52 pieces magnetic tiles set includes : , 4 large square's , 21 small squares , 8 right triangles , 8 isosceles triangles , 6 equilateral triangle , 1 car , 4 rectangles