This is the "Manta Ray" Kinetic Sculpture by Greg Stirling - a scale model inspired by the grace and beauty of the original Manta Ray. The Manta Ray grows to a wingspan of 23 feet and consumes small fish and plankton. It also has the largest brain of any fish in the sea. This unit has fifty-four ribs which emulate the soothing motion of flying through water. The Manta Ray can be presented on a desktop or wall mounted using mounting holes in the base. The drive includes an off-the-shelf DC gearmotor, ball bearings, brass spur gears and dual camshafts. It Includes a wall jack and adjustable speed control. Unit is very quiet at low speed. Materials are: HDPE, polished brass, stainless steel, aluminum, and black walnut. Completed February 2023. Wingspan is 38 inches x 24" long and 13" tall. Weight is 30 pounds. Contact Greg Stirling: (408) 482-3932 gregstir@yahoo.com www.gregstirlingart.com