My friend is a robot

Little Tod lives among huge robots. He dreams of helping everyone, but only hears from the rest "step away!" And don"t bother! Then Tod goes on a trip. On the way, he meets the old man and repairs his broken bike. Thus begins a real story of friendship between the robot and the old man. The robot teaches grandfather to repair spoiled equipment, helps to paint the house and ride a bicycle for purchases to the store. And the grandfather teaches Toda to play "stone, scissors, paper", run an air snake, joke and laugh.
However, during the rain, the robot stops working. To save him, the old man goes to a big city. After all, only scientists from the secret laboratory of robots can help Toda.
The book tells the story of the friendship of the robot and man