I've just sent a long message and it got lost in MN ether.
In summary,
Staying in deal, sea kayaking at broadstairs, films at westward cross, sea fishing and off the pier, shopping at the de bradelei wharf , bikes walmer to sandwich, boat sandwich to richborough.
Rochester to dartford, wall climbing, shopping, even driving lessons for under 17s at bluewater, diggerland at Rochester, Dickens theme park ditto and the naval dovkyards.
Tonbridge wells, shopping, water stuff at bewl, rock climbing.
Further up, derbyshire, south, carsington water and denby pottery, calke abbey, tissington trail,; north, the peaks, matlovk bath for arcades, the arkwright mill, boat on river, cable car, caverns chatsworth haddon hardwick Eyam hall.
Hth