C607 Nurture Him!(part II)

As the kids grew quickly, by the time Binbin started first grade, Qingmiao, Midou, and Guoyu were already excellent crawlers. Zong Fulai and Tiehdan's mom worked hard to encourage them to practice crawling more, gradually lifting their bellies off the floor. During this process, they learned to turn with their arms and even how to back up