Necesito 5 oraciones usando que existen?

1. There are many absurd things that actually exist in this world and we don't know. 2. It's impossible to understand why exists an app for rich people. It does nothing but eight people bought it. 3. It exists a heavenly bathroom designed for gamers. 4. Exists a genius snack : the chocolate dipped Doritos. 5. In some countries, exist cameras that look like juice boxes. Really.