HGUC #145 RX-139 Hambrabi


The HGUC RX-139 Hambrabi is a unique transformable Mobile Suit used by the Titans during Mobile Suit Zeta Gundam animated series. The stingray-like appearance of the RX-139 Hambrabi will strike fear into the hearts of its combatants. This model kit is perfect for those looking for something super unique to add to their collection.

The RX-139 Hambrabi comes with a ton of cool accessories, including:

  • Fedayeen Rifle
  • Sea Serpent
  • Wire for Sea Serpent
  • Beam Saber


Despite how unique the RX-139 Hambrabi is, Bandai managed to squeeze in tons of modern articulation points, including a swiveling hip joint and double-jointed limbs. The best aspect of this model kit has to be the transformation. The RX-139 Hambrabi can transform into Mobile Armor mode without using any additional parts or removing any components. There are only six easy steps to change between Mobile Suit and Mobile Armor Mode!

Weapons and Other Notable Attributes 

The red Sea Serpent is a powerful close-range weapon capable of sending catastrophic electrical pulses into enemy Mobile Suits. The RX-139 Hambrabi also has shoulder-mounted beam rifles for use in either mode. In fact, the Hambrabi can use all its equipment in Mobile Armor and Mobile Suit form.

This kit includes:

11 Runners total (A1, A2, B1, B2, C, D1, D2, E, F, SB6, PC001A)
Total Piece Count – 137 with 13 Unused Parts
Foil Stickers
Materials – PS, PE, PVC
Japanese Instructions

Additional Fun information

Pilot(s): Yazan Gable, Sarah Zabiarov, Dunkel Cooper, Ramsus Hasa
Unit Type: Prototype Transformable Mobile Suit
Model number: RX-139
Code name: Hambrabi
Overall Height: 19.9m(65.3ft)
Manufacturer: Earth Federation Forces

Scale: 1/144
Grade: High Grade
Original Release Date: Aug 2012
Gundam Series: Mobile Suit Zeta Gundam
Mechanical Designer: Mamoru Nagano

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HGUC #145 RX-139 Hambrabi

Tips and Tricks –

By implementing the technique of Top Coating, you can do a great deal to help preserve the longevity of your models. This process will protect the original plastic of your model kit and prepare it for any additional modeling techniques to follow.

You can drastically improve your results by making the details pop on the HGUC #145 RX-139 Hambrabi with Panel Lining. The simplest solution for this is Gundam Markers or Tamiya Panel Line Fluid. If you’re up to a challenge making panel wash is always a great option too! It is always recommended to Topcoat with clear gloss beforehand, as some of the products commonly used for Panel Lining will degrade the untreated plastics over time.

Another way to keep adding detail is by applying Stickers/Marking DecalsTop Coating before the application will help decals stick to the surface much better. Using Top Coat after application will help hide the seams on traditional sticker decals as well as waterslides. This additional step will also keep them from peeling over time. Using Decals is a great way to add an even greater level of detail to your scale models.

General Safety Warning:

Suitable Age: 8+

Assembly required. Snap together, no glue needed.

Products shown in photos may have been professionally painted or computer rendered images. They may differ from the actual product.

WARNING: CHOKING HAZARD, Small parts. Not for children under 3 yrs.


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