I use the following list, as I look after my 12, 10, 7 and 4 year old grand children a lot in the holidays.
Best visits are where I can leave them to run around while I read the paper lol
Short trips
Lammas Splash poolStaines
Runnymede paddle pool
Pirate Park Chertsey
Churchfields park Weybridge KT13 8DB
Brooklands park Weybridge KT13 0YU
Bushy Park Kingston
Bedfont Lakes
Laleham park
Staines Pool
Sunbury Pool
Feed Swans Truss island
Air plane watching
Kite Flying
Magnet Fishing
GeoCaching
Explore back of park upper haliford
Hersham Recreation GroundKT12 4RR
Crane Park Hanworth
Day Trips
West Whittering
Hayling Island
Southsea Portsmouth
South Downs CenterGU29 9DH
Look Out Center BracknellRG12 7QW
Alice Holt Woods Gruffalo TrailGU10 4LS
Windsor Pool
Coral ReefBracknell
Black Country ParkSL3 6DS
Langley ParkSL0 0LS
Denham Country Park Paddle StreamUN9 5PG
Hobbledown Heath Epsom
Hobbledown Farm Hounslow
Natural History Museum
Wellington country ParkRG7 1SP
Banstead Woods Nania Trail
Stoke Prk Paddle poolGU1 1ER
Bacon Lane, Churt, GU10 2QB
Heathervale Recreation Ground New Haw Paddle poolKT15 3AN
Hersham Recreation Ground splash parkKT12 4RR
Stay at home days
Paddling Pool
Painting
Model Making
Play dough session
Baking