Time to the past

'mum' john said loudly, mum walked in and said 'what' and john said 'where is all my washing' then hid mum said 'i don't know i though you put it to the wash' but john forgot to put his washing to the wash. John's mum walked out of the room and mumbled to herself 'oh, that boy what has happened to that him' she said then john heard it then he sighed and said 'my mum hates me' then a idea popped in to his head then he said to his mum that he was going out and his mum wondered where he was going then he said bye before his mum could say anything to him. He rushed out of his house then came back 2 hours later with metal and all other things/ he went up to his room and stayed there for months and then he came out of his room 5 months later and his mum said 'what were you doing' john replied 'making something' and then he rushed back up to his room and there up inside his room was a time machine a big time machine. 10 minutes later he when in to his time machine to test it and he back 5months early to tell himself to take his washing through.