Leather, wood, forged iron, cast plastics, bronze, silk satin, steel, beeswax, human hair, brick, fiberglass, urethane, paint, lead, motors, and water, 120 1/2 × 104 × 76" (306.1 × 264.2 × 193 cm). Committee on Painting and Sculpture Funds; Gift of Abby Aldrich Rockefeller (by exchange)