A look at the life and work of Robert Gilbert, a young hippie sculptor who makes brilliantly-colored, motor-driven machines from metal trash and spare parts.A look at the life and work of Robert Gilbert, a young hippie sculptor who makes brilliantly-colored, motor-driven machines from metal trash and spare parts.A look at the life and work of Robert Gilbert, a young hippie sculptor who makes brilliantly-colored, motor-driven machines from metal trash and spare parts.