Expires 30 Apr 2022. Limit 1 per person, may buy 3 additional as gifts. Enter http://teflgraduate.com/redeem-voucher/ to redeem voucher. 6-month access to course from the date of redemption. No refunds or cancellation once log in details have been provided. Must be 18 or older. Internet connection required.. Participants can explore 13 online lectures, learning to teach English grammar and boosting their career opportunities