There are 23 weather resistant plastic panels in the Playhouse/Firehouse kit, along with 140 easy-to-use fasteners. All the panels and fasteners store neatly into a handy carrying case that measures 34.5x17.5x6.0". Total weight of the kit: just 12 pounds. Build your own starfighter, sailboat, rocketship, performance stage, or whatever you can imagine. Whether on the move or in the backyard, this kit is designed to last.