More offbeat material is equally successful.

Ambitious sculptors work with metal, stone, wood, plastic, even found objects, although more offbeat materials like felt are sometimes permissible in the case of serious Conceptualists.

Like many outsider artists, he used offbeat materials: newsprint, butcher paper and even oilcloth.

They used offbeat materials.

The absence of Betye Saar, whose installations brew voodoo, offbeat materials and political commentary, is particularly distressing.

"The notion is to get as much offbeat material as possible," Vince Doria, Classic's executive producer, said.

Since Mr. Taylor's subject embraces many zany, offbeat materials, the curious alleyways are actually the chief pleasure here.

Ms. Cervenka's book demonstrates what Perceval does best: choose offbeat material and produce it with close attention to the little details.

Three artists who use offbeat materials.

They're willing to go for offbeat material.