If it came with a magazine subscription, it's a toy.
If it came as a petrol station freebie, it's a toy camera.
If it has a Barbie on it, it's a toy camera.
If it comes with a big chunk of mystery metal in the base to give it weight, it's a toy camera.
If it says "Optical Lens" on the lens barrel, it's a toy camera.
If it says "Optical Lens" with a typo on the barrel, it's a toy camera.
If you tie it to a helium filled party balloon and it floats away, it's a toy camera.
If it has a "motor drive" that sounds like the Fisher Price lawnmower, it's probably a toy camera too.