Step 1) Go to the "Top-up" section of the website - link is found amongst the 9 tabs on every page.
If you then dont see the page below, it means you are not logged in - log in by clicking here
2) Select the goodybag you wish to buy and click "Add to basket" - underneath the goodybag you want
3) Tick the box in "My basket" to pay with your credit (seen in yellow below) and then hit "Continue"
4) Finally click the check and confirm your order, please note once a goodybag is active it cannot be cancelled!
Then hit "Place your order" button at the bottom of the page, and you're done!