Small children's playgrounds are becoming more and more popular. Amusement facilities are good for children to give full play to their vitality and imagination, while having fun, the body is also forged; it is good for meeting the children ’s psychological requirements for courage to explore, making children more healthy, happy and smart to grow; it is good for training children , Tenacious personality. Exercise speed, strength, balance, coordination and other qualities to achieve the effect of physical exercise and brain health.