Get ready for an exciting challenge with the Super Mario Big Spike's LEGO Cloudtop Challenge Expansion Set (71409). This 540-piece set is perfect for gamers aged 9-11 years old who are interested in building and exploring. With this LEGO set, you can expand your collection and experience the fun of playing Super Mario games. The set is part of the LEGO subtheme expansion set. Get your hands on this amazing set and join Mario and his friends on their adventure!