Complex sentence: In addition to the ship models, B.M.C. produced a fort with movable guns, two lighthouses and a game featuring a large fold-out map of the Dardanelles channel and included fifteen metal ship models including two mine sweepers and two submarines.
Split into simpler sentences: In addition to the ship models, B.M.C. produced a fort with movable guns, two lighthouses and a game featuring a large fold-out map of the Dardanelles channel. The game included fifteen metal ship models including two mine sweepers and two submarines.