Combine the spiral with the GraviTrax starter set and bring even more action to your route. GraviTrax allows you to design and build your own marble runs and experiment with gravity, magnetism, and kinetics to propel your marble to the finish. With a variety of tiles, levels, tracks and elements, you can control the speed of the marble and much more!
Since 1891 Ravensburger has been making the finest puzzles in Ravensburg, Germany. Extra-thick cardboard pieces mean your puzzle will last for years and the fine, linen-structured paper eliminates glare so you can really see the details. Ravensburger also creates high quality games, crafts, science kits, and more as well as their iconic puzzles.