Answer
Have you got a holiday planned at all? do you drive? there are plenty of places you can go with your child.
take him to the libary
there are several museums in man
chester for free
take a day trip on a train
go to blackpool for the day
visit the royal armouries in leeds its free entrance but you have to pay parking.
get your local paper they usually do day trips around the country
get in touch with you local council, they usually have plenty of activities during the summer hols.
get your kid a hobby - drawing, painting, gardening, helping mummy with housework!
take a walk in a park & feed the ducks.
have fun and make some great memories!!