Description
It is well known to play on the seesaw is a need to cooperate to play up the amusement of children, amusement equipment, play the time required to have good cooperation between, improve the two peoples is to use the lever principle playing rocker will know more little knowledge of life, enhance the child's knowledge storage to people. In the process of the seesaw swing back and forth, exercise children's waist and abdomen, enhance limb strength, improve children's sense of balance and coordination
