Answer:
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
My first is high my second damp my whole a tie a writer's cramp.
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I must be broken before you can use me.
What can go up a chimney down but canβt go down a chimney up?
I will disappear every time you say my name.