What's included: The Speed-Kick Expansion Pack comes with over a dozen parts to complement the Gecko Run Starter Set. Included is a speed-kick tool to give marbles an extra boost up an incline, or to act as a blockade to make your marbles take a different route! This kit comes with two additional tracks, marbles, and nano-adhesive pads. Extra stunt for vertical Marble Run Starter or Deluxe Set; Fast, no-mess setup with residue-free nano-adhesive pads for hours of creative play. Innovative: Design your own vertical marble runs with this specially designed system of flexible tracks that does not require any support structures, allowing you to build higher with fewer pieces.