一次充气产品，重复使用。
由于是充气产品，中间中空，选手钻进去碰撞，非常安全，能有效防护着选手的头部和臀部。
非常适合有压力，敢于挑战自我的人参与。
Once inflated product, reuse. Because it's an inflatable product, hollow in the middle, the player can enter the collision, which is very safe and can effectively protect the head and buttocks of the player. It's very suitable for people who have pressure and dare to challenge themselves to participate.使用方法：两名选手穿上碰碰球，在规定的区域范围之内进行碰撞，那名选手身体的任何部位被碰出规定的范围，视为失败方。
sdjy-zb191214-sdjyUsage: two players put on the touch ball and collide within the specified area. If any part of the player's body is knocked out of the specified area, it is regarded as the losing party.作用和意义：在碰撞过程中释放平时工作中的压力；能够锻炼选手面对苦难，勇于挑战的精神；能够培养参与者的挑战技巧和身体的灵敏度。
Function and significance: release the pressure of normal work in the process of collision; be able to exercise the spirit of facing hardship and dare to challenge; be able to cultivate the challenge skills and physical sensitivity of participants.