The Gecko Run: Marble Run - Challenge Edition by Thames & Kosmos takes marble runs to the next level with its innovative design and challenging gameplay. Perfect for enthusiasts and beginners alike, this set provides endless fun as you build and experiment with various configurations.

Whether you're competing with friends or enjoying solo play, the Challenge Edition offers unique features that will test your skills and creativity. Build complex structures and watch your marbles race through loops and obstacles, all while enhancing your problem-solving abilities.

• Includes flexible track pieces for custom designs
• Features nano adhesive for easy setup and stability
• Comes with challenge cards to inspire creativity