Building is just that - amazing. This storage case is sculpted as a building and has a build-off roof enabling you to build your own awesome building structures on top of the building. It comes with a Spider-Man Building Ideas Booklet enabling kids to build one of 10 other structures integral to the battle between Spider-Man and his arch nemesis Doc Octopus. This cool set also comes with a Super Web Line Block to enable Spider-Man to scale the building wall and showcase his superhero web abilities against Doc Octopus. Building case can hold additional pieces from other sets and has a built in handle for travel.