The Build Booster and Build Booster Mk-II from the “Gundam Build” series are now available as a set! Combine the two boosters to enjoy a variety of customizations!
The Build Booster and Build Booster Mk-II can transform from a fighter to a backpack form.
The backpack form can be attached to various mecha using the included joints.
Each part can be removed and used as a weapon.
Parts other than weapons can also be customized into various Gunpla using the included joint parts.
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