What has keys that can't open locks? A typewriter and a calculator.

What's black when you buy it, red when you use it, and white when you throw it away? Charcoal.

Why do fishes live in salt water? Because pepper makes them sneeze.

What has keys but can't open locks? A piano and a xylophone.

What has a heart that doesn't beat? An artichoke and a cardigan.

Why did the king go to the doctor? His reign was giving him a lot of stress.

Why didn't the quarter roll down the hill? Because it had too much sense.

What has to be broken before you can use it to save your life? An emergency glass case.

What has keys but can't open locks? A piano. And a banana.

What has a heart that doesn't beat, lungs that don't breathe, and runs but doesn't walk? A train.

What has five eyes but can't see? The Mississippi River.

I'm white, and used for cutting and grinding. When I'm damaged, humans usually remove me or fill me. What am I? A tooth.

What has a heart that doesn't beat? A cinnamon bun.

What has many hands but can't clap? A clock.

What has many colors but can't be seen? A rainbow in the dark.

What has many keys but can't unlock anything? A computer keyboard.

What has a thumb but is not a hand? A glove.

I am not alive, but I can die soon. I have a start, but I have no end. Many like me, but I am not a trend. What am I? A candle.

I am lighter than air but a million men cannot lift me up. What am I? Bubble.

What has a tongue but cannot taste? A shoe.

Why was the math book in detention? It couldn't keep its problems straight.