Log in using your registered email address and password at https://my.trumin.com
In the top right-hand corner of the page, there is an 'Accounts' tab. If you hover over this, you will see your child/children's names under the heading 'Managed Accounts'.
Clicking on your child's name will take you to their MyTrumin account. Here, you can save and edit their details.
To sign their waiver, you can click on the 'My events' tab in the top left-hand corner of the page. Then click on 'check in now' next to the correct event.
To return to your own profile, simply return to the 'Accounts' tab and select 'Login as Manager'.