Get moving with the Roto-Ring. Whether you want wheels for your bus, propellers for your windmill, sliding doors on your dream house, or a drawbridge that rises and lowers, the Roto-Ring is for you. By facilitating turning, rotating and sliding motions, the Roto-Ring, made from 100 percent recycled materials, will bring a whole world of new possibilities to your Makedo designs. Elevate your ideas with structures, machines and creatures that move in countless surprising ways. Ingenuity in motion.