Skyrail Roller Coaster by International Playthings. With 60 years of experience creating educational toys, Quercetti has contributed to generations of children engaging in beneficial play that encourages creativity and stimulates intuitive reasoning. The 150 piece Skyrail Rollercoaster is a wonderful marble run building set. Construct a large swooping rollercoaster with 27 feet of glow-in-the-dark track, and then send marbles racing through the course. Includes 4 marbles and a detailed instruction booklet. Use trial and error to create a coaster with just the right amount of speed to send the marbles all the way through. Made in Italy. Ages 6+.