Right brain education is usually recommended for younger kids because of the early dominance of the right brain. This later shifts towards the left brain. However, you can still do right brain development for older children and with adults. The results will not be as marked and it will require more work.
Righ Brain Kids have the Wink program which is indicated from 4 years to adults. A lot of right brain activities from Heguru and Shichida have also been known to help improve adults (for instance, mothers who attended classes with their children found their memories improving).
I have a few articles on these activities on my blog you are welcome to take a look at:
http://www.figur8.net/right-brain-training-home-practice-guide/http://figur8.net/baby/2010/07/27/right-brain-activities-for-home-practice-part-1/
Digg
