Caduceus Blaster is a secondary weapon supporting Mercy heroine of the game Overwatch Developer Blizzard Entertainment. This model has moving parts. It is simply assembled by snapping the parts together, except for part 17 – stopper, which is glued into the gun slide. Follow the video which shows the assembly process. A metal spring can be used instead of the two springs. This model is fan-made by Adam from our 3Demon team.