Answer:
Made of ten but two we make, When assembled others quake, Five apart and we are weak, Five together havoc wreak. What are we?
What goes up and down the stairs without moving?
The more you have of me, the less you see. Who am I?
What comes down but never back goes up?
Up on high I wave away but not a word can I say.
What has hands but canβt clap?