So you can call this simple sports equipment, because you can use it in the apartment and in the yard. The staircase going from 3-10 sticks Ø 30 mm and a length of 370 mm, better round, and strong rope Ø 6-8 mm and a length of about 4 m.
The rope is folded in half, threaded through a hole in the stick and tied under her node so that the distance between the steps was 220 mm.