Answer:
What type of house weighs the least?
What goes through towns and over hills but never moves?
What is often on the ground getting stepped on by others, but you don’t have to wash it because it never get dirty, in fact you couldn’t wash it even if you tried?
Two year-old children who throw tantrums get this nickname. So did the tsar "Ivan."
What goes up when the rain comes down?
What do you call a skeleton that makes you laugh and giggle when you’re sad?