Paperlink Old Enough Birthday Card This amusing card from Paperlink is the perfect way to send your birthday wishes to friends and family, sure to make them snigger. It features a black and white photograph of a man tearing down a street on a go kart. He has an aviator hat and googles on with a massive grin on his face and the words, ‘OLD ENOUGH TO KNOW BETTER, YOUNG ENOUGH TO DO IT ANYWAY.’ Sure to raise a smile, this hilarious card comes with a brown envelope for sending and reads ‘ Happy Birthday’ inside.