Build-A-Bear to mark its 20th Birthday by donating 20,000 teddy bears to children's hospitals nationwide   Cuddly Company Kicks Off Countdown to 20th Birthday on October 27 with 20,000-bear Donation and Announcement of a New Charitable Giving Focus ST. LOUIS, 2017-Oct-11 — /EPR Retail News/ — In honor of the company's 20th Birthday, Build-A-Bear today (Oct. 10, 2017) announced a donation…