What can be white and yellow at the same time?
What has 6 wheels and flies?
What does everyone know how to open but nobody know how to close?
What is the coolest letter in the alphabet?
What can you add to the number one to make it disappear?
What dress does everyone have, but no one wears?
What is as big as an elephant, but weighs nothing at all?
What do you get when you mix lemons with gunpowder?
What kind of room has no doors or windows?
What is brown and sticky?