Extracurricular activities — are your kids doing too many or not enough?

Football, dance, art classes, karate and scouts. The extracurricular activities your kids can do are endless. But with so many on offer, are you getting the balance right? Maggie Dent talks with Positive Schools creator Dr Helen Street about the pros and cons of extracurricular activities for your children — when and why you should sign them up, what's the right amount and what are the signs you might be overdoing it.