1.Sufficient quantity: you will receive 100 of our red blue reversible plates and 1 storage box. Sufficient quantity means you can solve multiple maths tasks or perform multiple math activities, so you can continue to perform rich and diverse exercises. 2.Easy to carry: this teaching tool has a diameter of 2.5 cm and a thickness of 0.3 cm. The size is appropriately designed, comfortable to hold and easy to store. It comes with a practical transparent plastic boxes measuring 19 x 13 x 2.2 cm. You can quickly organise and store it after each use or simply store it in your bag and take it with you when travelling. 3.Highquality and durable: this plastic plate and storage box plastic set is made of highquality materials, durable and not easy to damage. It can withstand repeated operations and provides students with reliable tools for practicing mathematics. You can use it for a long time without worry. 4.Clear colour: the red and blue design of the mathematics reversible plate helps you learn mathematics more intuitively, which not only improves the visualisation of mathematical concepts, but also increases your learning interest and interactive experience and helps you quickly understand and master mathematical problems through colours.