I am a living being. I am able to know and see. I was living, I am living and I will live, therefore I am a living being. Human, animals(beasts), birds, worms, trees etc. all are living beings.
Toy is lifeless. It does not have the senses to know and see. It cannot feel happiness or sorrow, therefore it is lifeless (Non living being) . Watch, car, television and buildings etc. all are lifeless