With the Gecko Run Snake Expansion Pack, you can send your marbles through a maze of sharp curves and see how it affects their speed. But watch out, only if you place the snake correctly in your marble run will the marbles make it through! The Snake Expansion Pack comes with over a dozen pieces to complement the Gecko Run Starter Set, including the Snake stunt; additional marbles and nano-adhesive pads; 2 extra tracks; and more. Ages 8+.
