$52.50 Check it out! Home » Collectibles » Batman Grappling Gun CollectiblesEditor's Choice Batman Grappling Gun Mr. Cool June 15, 2018 209 1 SaveSavedRemoved 0 If there’s one thing that Batman can’t go without then it would be his grappling gun. This beautiful prop will make you the centre of the party or will just look awesome in your house. Batman Grappling Gun $52.50 Check it out!