From Bandai Hobby. Further customize your Gunpla with the backpack of the new Build Strike Galaxy Cosmos: The HGBC Galaxy Booster! Its twelve wings, which are the kit's biggest feature, are individually articulated and can display a wide variety of silhouettes. The booster of the Build Strike Galaxy can be used in combination with various other model kits using the Striker Pack System. Set includes a display base. Runner x3. Foil sticker sheet x1. Instruction manual x1.