Wacky inventions

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Across
  1. 3. - A gadget, especially one whose name is unknown or forgotten.
  2. 5. - A device worn on the back that allows a person to fly.
  3. 7. - The first model of an invention.
  4. 9. - A detailed plan or drawing of an invention.
  5. 10. - A machine that can perform tasks automatically.
Down
  1. 1. - A place where scientific experiments are conducted.
  2. 2. - A device that allows travel through time.
  3. 4. - A person who creates new things.
  4. 6. - A new device or process created by someone.
  5. 8. - A room or building where things are made or repaired.