Option Parts Set Gunpla 18 (Build Booster Set)

Overview

Option Parts Set Gunpla 18 includes both the Build Booster and Build Booster Mk-II in one set.

Both booster units can transform from fighter mode into backpack mode, allowing them to be attached to various Gunpla kits using the included joint parts.

The parts can also be removed and used as weapons, giving more flexibility for custom builds. By combining the two boosters, you can create different equipment layouts and display styles.

Specifications

• Line: Gunpla Option Parts Set
• Includes Build Booster and Build Booster Mk-II
• Fighter mode ↔ Backpack mode transformation
• Compatible with various Gunpla kits using joint parts
• Parts can be used as weapons or custom equipment

Included Parts

• Build Booster ×1
• Build Booster Mk-II ×1
• Joint parts ×1 set

Recommended For

• Gunpla customizers
• Builders who enjoy backpack and weapon upgrades
• HG builders looking for extra equipment options
• Fans of Build series-style customization

This set works best as an expansion for existing kits.

Personal Note (From Ah Chong)

This is a useful parts set if you enjoy customizing.

The boosters are not just for one kit — with the joint parts, you can try them on different Gunpla and create your own setup. Good for adding more movement and equipment to a simple build.