The Type 66 Anti-Monster Maser Cannon in Wave's classic kit appeared in the 1966 film "War of the Gargantuas," and Maser Cannons have appeared in many kaiju movies!  This kit features a movable gun barrel; comes with decals for markings. It's 1/87 scale, will retail for 4800 yen (approx $46 US), and will be released in Oct 2016 from Hobby Link Japan and other retailers.