Hard clean riddles for kids with simple answers

What type of bear is toothless?

What is black when you buy it, red when you use it, and gray when you throw it away?

What is as big as you are and yet does not weigh anything?

Mr. Jason was walking along the sea shore. Suddenly it started drizzling and turned into a heavy rain. He wasn’t carrying any umbrella, not even any cap. He was completely wet and all his clothes were soaked in rain. Yet not even a single strand of his hair was wet! How was that possible?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Why is a river rich?

A mirror for the famous, but informative to all. I'll show you the world, but it may be a bit small. What am I?

What has two hands and face but no arms and legs?

I am a five letter word and very strong. I become single when you remove two letters from me. What Am I?

I am a 5 letter word. Take away the first letter and I am a country's name. Take away the first two letters and I become the opposite of the 5 letter word. Who am I?