10-year-old winner Mary Elizabeth Greeley created a kid-sized relaxation tub out of a cardboard box (reinforced with PVC pipe and duct tape) and tons of packing peanuts.

Franceska McCullough’s winning sculpture used more than 20,000 toothpicks to create shapes inspired by the orbits of the planets and constellations.

Maurice Kenji Clarke constructed this winning piece during his time in art school by using found objects to morph his '95 Jeep into a full-sized rhinoceros. He even made a stop-motion video of his creation "roaming the wilds" of metropolitan Indianapolis.

Finalist Esther Randall's entry, a listener favorite, was inspired by the shapes her coffee grounds made at the bottom of her cup. She combined photos of the grounds to create “digital images of imaginary landscapes.”

To draw attention to the polluted state of the Yamuna River in India, finalist Anne Percoco connected more than 1,000 plastic water bottles and constructed this floating cloud sculpture, which she then used to circumnavigate the town of Vrindavan.

Finalist Mark Chason sought to break his friends and neighbors out of the winter doldrums by taking menacing icicles off his roof and arranging them into a "forest" sculpture.

Finalist Melissa Rae Gagnon was inspired by everyday objects in her house to craft this dog sculpture from an old inkwell and a handful of screws.

This tobacco rug was created by finalist Caroline Armijo – in it, she summons memories of childhood days visiting her grandparents’ North Carolina tobacco farm. Recollections written on craft paper are woven into the cloth.

Art teacher and finalist George Reitbauer modeled this homemade nutcracker, made of clay and pig teeth, on a mechanical tree trimmer from his backyard.