Russian Revolver

a.k.a. Russian Flower, Russian UFO, Soviet UFO
Made in the Soviet Union circa 1980's?
(plastic, 1.6 inch diameter disc, 2 inches across, 1.1 inches thick)

Three colors of balls must be arranged so that a single color shows on each side of the puzzle (and the third color is hidden). This puzzle was also made with green and orange bodies.