The children thanked GOME by singing them a thank you song.
The large blinds were installed by The Canvas Man Wanganui in June and pulled down on rainy or windy days to create an extra learning space for children.
Knoerr said the blinds had been essential.
The kindergarten used saved funds, as well as fundraising efforts such as a bike-a-thon and parent contributions, to purchase the blinds.
Because of their size, Knoerr said they would not be able to replace the blinds until they have raised enough funds.
"We are just grateful for every donation coming our way."
• To donate, contact the kindergarten or the Whanganui Kindergarten Association.
• Anyone with information regarding the theft can contact police on 105 or call Crimestoppers anonymously on 0800 555 111.