Laminated ebony and purpleheart wood

Sheet steel base, steel rods, fur pelts, horse hair, and electric motor

Steel rods and wire, aluminum pulley, brass bell, round rubber belt, and electric motor

Round rubber belt, steel rods, painted sheet metal, wire wooden pulleys, two clothes pins, and electric motor

Ink on wove paper

Poplar wood

Elastic cords and metal rods

Sheet aluminum, rods, and wire

Painted wood, Lucite rods, electric motor and lights

Laundry cart contents: purple satin bag; clear, white, and black hangers made from alumilite clear cast resin and galvanized steel wire; six pairs of trousers, one shirt, and two neckties made from various fabrics. Laundry bag with nylon cord, alumilite toggles, fabric, and thread, stuffed with fabric. Palette: wood, nails, glue, wood stain, dirt. Cart: wood frame with woven aluminum strips, 1/8-inch ungalvanized steel rod, clear acrylic spray coating, canvas, thread, vinyl, aluminum rivets, dirt, and newspaper ink. Broom: wood handle and housing with bristles. Floor: linoleum backed with canvas.

Structural steel-channel base, steel rod, small tricycle wheel without tire, round rubber belt, and electric motor

Glass rods, polymer, and ceramic