Answer:
What can travel around the world while staying in a corner?
Small, containing light, You'll need it in the dark, It will provide that spark, and shine into the night. Will light up any pyre, 'Cause it can help make a fire.
It's tough as nails, Or soft as snow. People use it for their rink, Some just put in their drink.
The little pink nub that helps rectify mistakes.
Not a comb or a brush but makes the hair feel plush. What is it?
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.