Gecko Run: Twister Expansion Pack

With the Gecko Run: Twister Expansion Pack, you can give your marbles a real spin. This not only brings extra fun to your Gecko Run marble run Starter Set, but also makes the laws of physics visible. The Twister Expansion Pack comes with over a dozen pieces to complement the Gecko Run Starter Set, including a twister stunt; additional marbles and nano-adhesive pads; 2 extra tracks; and more. Intuitive: Tracks attach to smooth surfaces with the help of clever nano-adhesive pads that stick to smooth, vertical surfaces around your home Mess-free: The pads are not glue-based and can be quickly and easily repositioned without leaving behind damage or sticky residue. Open-Ended:Position in endless configurations on smooth surfaces Educational:Develop engineering and problem-solving skills, and see physics in action Tracks made from renewable raw materials Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. Thi