(1) parallel bars: height adjustable, length over 6 meters. (2) Mirror: for observing walking posture. (3) sticker tape: for marking on the ground, 2.5 cm wide. Parallel bar in the middle of a sticker; on the flat ground parallel sticker 2, interval of 12 cm. (4) steps: two kinds of high and low, with and without handrails. (5) slope: tilt angle is best to adjust. (6) Uneven pavement: sand road, uneven pavement, slightly inclined left and right. (7) Obstacles: various, can be replaced by wooden blocks. (8) Other: horizontal wooden walls, mats, chairs, crutches, canes, walking aids, etc.