"For the centennial she created a number of blown glass hearts.
"They are coloured dark green with a silver tone to match the college colours and really are small treasures."
Ms Brown had graduated from the Wanganui Glass School in 1999 and founded the Chronicle Glass Studio in Whanganui, Mrs Siers said, selling her work worldwide under the brand Katie Brown Glass.
Mrs Siers said the bazaar was a traditional event at each reunion since about 1930 and would be open to the 300 centenary registrants and to the public.
Veteran singer-songwriter Andrew London will be the headline act during the weekend and alongside his band, The London Derrieres, will entertain at the Solway College Centennial Dinner and Dance on Saturday night.
Other centenary events will include a re-enactment, based on a surviving photograph, of the 1916 opening ceremony of the school.