Feature●Imagination building playing accessory●Pivoting Periscope with mounting base●Toy can be removed from mounting base●Hardware included●Easy to follow instructions, This product has been engineered and manufactured for residential use only and should NOT be used in a commercial (public) settingDescription Up Periscope! This great pivoting accessory can transform the play set into a submarine! Comes with "shatterproof" reflector mirror for those rough expeditions. The Periscope is easily installed onto any wooden structure.