Children encouraged to stand up more at school
11 June 2015 Last updated at 09:28 BST
A new project wants you to spend more of your school day standing up and walking around.
The Active Movement project says sitting for too long is bad for your health and they want to teach everybody how to make exercise part of every day life.
With one in ten children now starting primary school clinically obese, the organisation says it is important that children grow up knowing the dangers of a lazy lifestyle.
These kids have been trying out a more active school day and here's what they think.