DescriptionDo you want to cultivate children's interest in mathematics? Then, you must not miss our math education toys. They allow children to calculate the area of the square. Made of plastic material, they are high-quality and durable. Lightweight and portable, more convenient to store and use.Features- Color: Random color. - Material: Plastic. - Size: 11.00X11.00X0.20cm/ 4.32X4.32X0.08in. - Square grid plates, enough quantity to meet your different needs. Lightweight and portable, more convenient to store and use. - Each sheet of paper has enough grids, and each grid has a side length of 1 centimeter. - Transparent design, your kids can measure the square area through the square grid. - It can cultivate children's interest in mathematics and develop the brain. - There are always one hundred grids, each of which has a side length of 1cm.