1) Four-corner windmill material preparation: cardboard, chopsticks, thumbtacks Production method: 1. Cut the paper into a square, cut a knife at the center line of the four sides and fold it. 2. Drill a small hole in the center of the paper, press the thumbtack into the hole, and insert the chopsticks. 2) Material preparation for cross pinwheel: cardboard, chopsticks, thumbtacks Production method: 1. Select two colors of cardboard and cut them into two long strips, fold them into cross rows, and drill a small hole in the middle. 2. Press the thumbtack into the small hole. Press the thumbtack into the small hole. 3) Sunflower windmill material preparation: cardboard, chopsticks, thumbtacks Production method: 1. Cut the cardboard into a circle, cut and fold evenly around the circle, and drill a small hole in the middle. 2. Press the thumbtack into the small hole and insert the thumbtack into the chopsticks. 4) Flag pinwheel material preparation: cardboard, wax paper, chopsticks, thumbtacks Production method: 1. Cut the cardboard into a long strip and drill a small hole. 2. Cut out small flags from wax paper and glue them to both sides of the long paper. 3. Press the thumbtack into the small hole and insert the thumbtack into the chopsticks. 5) Material preparation for core windmill: roll toilet paper core, chopsticks, thumbtacks. Production method: 1. Take a paper core and cut it in half. Cut half of the roll core diagonally and drill a small hole in the middle. 2. Press the thumbtack into the small hole and insert the thumbtack into the chopsticks. 6) Paper cup windmill material preparation: disposable paper cup, chopsticks, thumbtacks Production method: 1. Cut the paper cup evenly and fold the cut part in one direction. 2. Drill a small hole in the bottom of the paper cup, push the thumbtack into the hole, and insert the chopsticks. How to play: Players hold the windmill and run forward, which can exercise children's ability to run fast.