Walthamstow, Walthamstow Kids Clubs, classes and activities. Club Hub UK has the largest selection of kids clubs, classes and activities in the Walthamstow, Walthamstow area. If you see a kids club, class or activity in Walthamstow, Walthamstow that is missing from our list, tell the owner to add their listing. Please use our search engine to find your local kids activity.