the banister
What goes up and down but doesn't move?ANSWER: Stairs
A rug
The railing
elevator/escelator
The temperature It could also be a piano scale or a staircase.
the answer to this riddle is carpet
Rug Stair Treads are mats that are laid on the stairs to get the most traction when walking up and down a stair case. They are usually put in place to help with the difficultly of walking down wooden stair cases.
A stair climbing hand truck is a dolly device that is made to go up and downstairs with ease. If you are moving in or out of an apartment (or home) with stairs, this will make moving easier.
Your Jaw.
Soul maybe .Like you die and the soul goes up. Or the Climber plant it do not move but grows.
The practical purpose of stair railings is to ensure that people can walk up and down stairs safely. Stair railings ensure that a person cannot fall off the side of a set of steps and also aids their balance when travelling up and down.
The answer to the riddle "What goes up and down without moving?" is a staircase. It allows people to ascend and descend between floors while remaining stationary itself. Another interpretation could be temperature, which fluctuates but does not physically move.