The Reversible Stairs / Ramp (RSR) consists of 3 stairs of 3 cm. (1.2 in.) that can convert to a moderate slope by pulling a handle. Enables patients having difficulties handling the regular DST's slope to access the DST using a moderate slope. Allows practicing walking on a slope surface. Adds 3 additional small stairs to the DST creating a full 7 staircase flight to mount on. Enable patients having difficulties handling slopes, to practice on the DST without walking on a slope surface. The DST comes with a standard slope of 60 cm. (23.6 Inch) long and 12 degrees of incline. The RSR is 90 cm. (35.5 Inch) long and has an incline of 8 degrees. The RSR can be purchased separately and assembled to the DST by the customer.