I am sure it is like this one that they offer that has an alternative entry method available.
https://www.transfund.com/landing-pages/bts-sweepstakes
(ii) Alternative Method of Entry: To enter the Sweepstakes to win a Prize, anyone may enter by regular mail by printing the words “TransFund 2024 Back to School Sweepstakes Entry.” Along with his or her name, street address, city, state, zip, and phone number on a 3” by 5” white index card. Mail First Class in a #10 envelope via the U.S. Postal Service to TransFund 2024 Back to School Sweepstakes, c/o TransFund, P.O. Box 2300, Tulsa, OK 74192. Each individual entry must be handwritten and mailed in a separate envelope and must be postmarked on or after August 1, 2024, and received by TransFund between August 1, 2024, and September 25, 2024. A limit of one mail-in entry per day, per postmark date, will be electronically transcribed and entered into the Sweepstakes. Entries generated by a script, macro, bot, or any other automated means will be deemed void. Entries that are mechanically reproduced, copied, illegal, incomplete, or inaccurate are void.