Login to Klubfunder using the email address you used to make the purchase with.

When you login to your Klubfunder account, click on 'Club Lotto'

In your 'Recent Lotto Purchases' summary it will show how many credits are remaining.  If this is sitting at '0' then you have no credits remaining.  See sample screen below.  If you would like to purchase more credits you can do this via the 'Play Again' button. 

Each purchase will show in a seperate row.