Answer:
I do not contain flesh feather or scales; yet I have fingers and thumbs.
I can run but not walk. Wherever I go thought follows close behind.
I go in hard come out soft. Blow me hard and I’ll make a pop.
I help engines spin and pants stay up. What am I?
My days are numbered. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.