Little An'an, who is already running and jumping about on her own, is fine to play by herself, but Xiao Yi, still in his climbing phase, needs adult help to enjoy the thrills of the slide.
會跑、會跳的小安安，自行玩耍當然不是問題，但還在「爬行期」的小易，就需要大人的協助，才能體會溜滑梯的樂趣。