Ringwood Health and Leisure Centre has lots to do for all ages - look out for the holiday activities too! Look here.
Downton Leisure Centre has a gym, 2 sports halls for tennis, badminton and more - give them a ring to find out more - 01725 513668.
Moors Valley Country Park has lots of things to do. There are trails to follow on foot or by bike, (take your own or hire one from them), orienteering, playgrounds for all ages and much more. Have a look here.
Avon Heath Country Park has plenty of space to run and explore, a visitors' centre and playground. Have a look here.
Local libraries have lots going on too - and its all free! More information here... about events, locations and opening times, recommended reads, how to reserve books, music and much more - have a look!
Further afield - if you buy a Family and Friends Railcard, not only do you get discounted travel provided you are travelling with at least one child under 15, but you also get lots of other 'deals'. Look here.
More Ideas:
New Forest District Council have a new website for young people with lots of information and ideas - check it out....
Are you in need of some support? Parentline Plus is now called Family Lives, but they can still help out when being a parent is proving a challenge - there are lots of ideas, other parents to talk with, as well as a 24 hour helpline if you are really at the end of your tether. The helpline is on 0808 800 2222. Family Lives website.