Of course you can, and it's a great idea: extra cards are free, and the more people collecting Fly Buys points on your account, the faster you collect points. Here's how to do it:
- Go to 'Account' on the top right-hand side of the page and select 'My Account' (you'll need to be signed in to do this).
- Click on 'Add member' on the left-hand side; fill out the form and choose your card design and select the blue button 'Add'.
- Sit back and wait for the new cards to turn up in the post (they take up to ten working days).