A blue house has blue bricks; a yellow house has a yellow bricks. What is a green house made of?
I run cold and hot, I look blue but am red. What am I?
Before Mt. Everest was discovered as the highest mountain in the world, which mountain was the highest?
What is the middle of water but is not an island?
Makes dough grow
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it