Wen-Ying Tsai Multi-Kinetic Wall (Quad #2), c. 1965 Day-Glo painted concentric hardboard annuli and box frame with motors and bearings 48 x 48 x 19 in (121.92 x 121.92 x 48.26 cm) Wen-Ying Tsai Multi-Kinetic Wall (Quad #2), c. 1965 Day-Glo painted concentric hardboard annuli and box frame with motors and bearings 48 x 48 x 19 in (121.92 x 121.92 x 48.26 cm)