Best riddles with simple answers

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

I have wings but I'm not a bird I am small and colorful. I live in gardens and fields and forests. I used to be a caterpillar. I am a...

I eat insects. I live in the pond. I hop. I am green. What am I?

When you don't have me, you want me, but when you do have me, you want to give me away. What am I?

What's green and loud?

I am a white box having no key or any lid. Yet there is a golden treasure inside it. What Am I ?

What goes in dry and hard, but comes out wet and soft?

I have no legs. I will never walk, but always run. What am I?

Four children and their pet dog were walking under a small umbrella. But none of them became wet. How?

I can run, but not walk. Thought is not far behind me. What am I?