Knox says cardboard is one of children's top 5 play objects. Others include dirt, string, and paper tubes. (Flickr photo/margaret)

Knox says cardboard is one of children’s top 5 play objects. Others include dirt, string, and paper tubes. (Flickr photo/margaret)

Mt. Edgecumbe Preschool board president Dan Dunn and staff member Erika Knox describe the organization’s “Cardboard World” fundraising event (5-7 PM Thu Mar 26, Harrigan Centennial Hall, $15/$5). A spaghetti dinner, dessert auction, and cardboard play are featured.

Downloadable audio.