You will be able to find your scratch cards from the 'my account' settings, by going to 'activity' and then by going to 'games' tab.
If on a desktop/pc:
Click on your account name at the top right of the website (next to the cart and where the current balance is), click 'my account', click 'activity' and then 'games'. Your scratch cards will be there, alternatively, you can follow this link: https://www.jackpot.com/account-sgames
If on a mobile:
Tap the three horizontal lines on the top left, tap 'my account', tap 'activity' and then 'games' and your scratch cards will show, ready to be played. Alternatively, you can follow this link: https://www.jackpot.com/account-sgames