With a variety of tiles, levels, tracks and elements, you can control the speed of the marble. Add onto to your marble run with the GraviTrax expansion sets.
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.