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 customisations!

• 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 customised into various Gunpla using the included joint parts.

Includes:

• Build Booster
• Build Booster Mk-II