Answer:
When one does not know what it is, then it is somethingอพ but when one knows what it is, then it is nothing.
Fred and Wilma's child, named after a stone.
More lives than any other is what they have and you see them in many a house. Adorable, cute and furry, sometimes active, sometimes lazy. What is it?
What color can you eat?
It is a place of play on a sunny day. Winter will come and take all the fun, but we'll be back in May. What is it?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?