WooCommerce PDF Vouchers allows you to sell voucher codes that can then be redeemed at a physical location. This is perfect for stores that wish to sell tickets to events, discount codes for on-site pickup, class admission tickets and more.

Demo:

https://tinyurls.ca/9XxhT

https://www25.zippyshare.com/v/d23jUbvj/file.html

http://uploadseed.com/2Wp