The Mobile Suit Option Set 3 & Gjallarhorn Mobile Worker set is a 1/144 scale High Grade IRON-BLOODED ARMS add-on kit released in 2016.
- Gusion Axe
- Gusion Chopper
- Gjallarhorn Mobile Worker
Kit Features & Gimmicks
- Gusion Axe and Gusion Chopper can attach to HG Gundam Gusion.
- The Halberd can attach to HG Gundam Gusion Rebake (or Gundam Gusion Rebake Full City)
Other Gunpla releases with the add-on kits