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CHICAGO — Chicago teachers took part in a treasure hunt Friday in a warehouse packed with every school supply imaginable.

It was all free to teachers who often operate on a shoestring budget.

Bags of donations were brought into the Creative Chicago Reuse Exchange.

“Many (teachers) buy $2,000 to $2,500 of supplies out of pocket every year because they just don’t have enough money to get stuff for 30 kids in a classroom,” executive director Barbara Koenen said.

The three day swap circle for teachers runs through Saturday with no limit to how much they can drag away to fill their classrooms.