Vintage Radar Laser Cannon Toy

  The bigger Radar Laser Cannon was in stores in 1982. The Cannon swivels, and clicks when turned.
The smaller Cannon actually came packaged in the Hoth Ice Planet playset in 1980. As can be seen in the picture the first version is half the size of the second Cannon. I include the smaller cannon because it is an extra in my collection.

 It can also "explode" into 4 pieces.