Pyramid of multiple changes

Material: plastic. Size: side length of white small cone is about 2.5cm, green box 5cm, yellow box 7cm, blue box 10cm, red box 12cm, transparent base is about 13cm, operation card is about 20 *14cm. The produce contains 10 small white cones, 8 green squares, 6 yellow squares, 4 blue squares, 2 red squares, 2 transparent bases, and 4 operation cards. Solid color building blocks, safe and environmentally friendly, no odor, easy to grasp. The shape is changeable, the gameplay is rich, the color is bright, and the operation card is equipped to recognize the color. The building blocks can be arranged in order from large to small to stack the rings. The more the number of rings, the higher the pyramid, from which the height changes brought by the different numbers can be perceived, and it can also be built in various shapes to develop the imagination of children.