"What Am I?" riddles are a novel way of challenging one to think outside the box. The answers are usually not obvious and necessitate some difficult "or "Who am I?" riddles for both kids and adults. We also have a list of difficult "What Am I?" riddles to put your problem-solving skills to the test. After you've determined how many you can answer correctly, put your family, friends, and coworkers to the test for some fun and laughter.