1. Paper trays play a very wide role in kindergarten regional materials, which can be used for environmental protection and regional materials.

2. Generally, in the puzzle area, you can make your own mathematics teaching toys with paper plates, such as knowing numbers, matching colors, digital clocks, pasting five senses and other materials.

3. Paper trays can also be placed in the art area, which can be used as children's semi-finished materials. Paper trays are widely used.