Iron Factory EX-71 Fang of Botis: Buying Guide
By Toy Dojo - ToyDojo | Published: 2026-10-13
Category: Buying Guides
A practical guide to Iron Factory EX-71 Fang of Botis: what you get, how it fits Giant Kaiser, and how to decide between it and other third-party figures.
Quick answer
Buy Iron Factory EX-71 Fang of Botis if you are building the Giant Kaiser combiner and need the left arm, or if you want a small, detailed figure with a viper chest armor gimmick. Skip it if you collect only officially licensed Transformers, or if you need a standalone figure with a standard transformation and no combiner commitment. It is a focused purchase, not a general-purpose one.
What EX-71 Fang of Botis actually includes
Fang of Botis comes with chest armor that transforms into a viper and a weapon. That is the headline gimmick: the chest piece is not just a static shell, it becomes a small viper figure and a weapon. Iron Factory also includes an additional untransformable gun and chest armor, so you can display the figure with a simpler chest plate if you prefer. The figure is designed to work as the left arm of the combiner Giant Kaiser. Other figures in that combiner are sold separately, so this is one piece of a larger build.
Scale and display: what to expect from Iron Factory
Iron Factory figures are small. The brand is known for legends-scale and similarly compact third-party figures, and EX-71 fits that pattern. That means it will look right next to other Iron Factory releases and small-scale combiners, but it will look tiny next to a Masterpiece-style or 1/6 scale figure. If your shelf is built around larger figures, check the dimensions before buying. If you already collect Iron Factory, the scale will be consistent with what you own.
Third-party figure trade-offs you should accept
Third-party Transformers figures are not officially licensed. They often offer more aggressive engineering, diecast parts, and niche characters that official lines skip, but they also come with trade-offs: no official warranty, limited production runs, and sometimes tighter joints or paint that need careful handling. Iron Factory has a long track record in this space, but you are still buying from a smaller producer. If you need official branding or easy replacement parts, this is not the category for you.
How to decide between EX-71 and other Iron Factory sets
If you want a single small figure with a clever chest gimmick and you are committed to Giant Kaiser, EX-71 is the direct pick. If you want more figures for your money and you like jets, the Fangs of Tyranny Set gives you three legends-scale jets that convert to robots. If you want a larger, more traditional robot-to-vehicle transformation with a driver figure, the Fans Hobby MB-17 Meg-Tyranno is a different scale and price class. Match the figure to the shelf you are actually building, not to the one you might build later.
Decision rules for buying EX-71
- If you are building Giant Kaiser: Buy EX-71 for the left arm slot. Check that you have or can get the other combiner figures, because they are sold separately. Commit to the full combiner or skip this piece.
- If you want a standalone small figure: EX-71 works on its own, but its main draw is the combiner compatibility and the viper chest gimmick. If neither matters to you, look at the Fangs of Tyranny Set for three figures instead. Match the gimmick to your display.
- If scale is your priority: Iron Factory figures are small. Measure your shelf and compare with your existing collection. If you collect 1/6 or Masterpiece scale, this will be a noticeable size mismatch. Small scale is a feature, not a flaw, but only if it fits your shelf.
- If you need official licensing: This is a third-party figure. It is not officially licensed. If that matters to you, choose an official line instead. Third-party means no official branding or warranty.
Product facts
- Iron Factory - IF EX-71 Fang of Botis: IF-EX71 Fang of Botis has chest armor that transforms into a viper and weapon, and comes with an additional untransformable gun and chest armor. It is compatible as the left arm of the combiner Giant Kaiser. Other figures sold separately. You get two display options for the chest, and the figure has a clear role in a larger combiner build. If you are not building Giant Kaiser, the combiner compatibility is a feature you are paying for but may not use.
- Iron Factory IF-EX20F Fangs of Tyranny Set: Iron Factory IF-EX20F Fangs of Tyranny Set includes 3 jets that convert to robots and back. They are fully articulated and legends scaled. This is a better value if you want multiple small figures and you like jet alt-modes. It is a set, not a single combiner limb, so it serves a different collecting goal than EX-71.
- Fans Hobby - Master Builder MB-17 Meg-Tyranno: Fans Hobby MB-17 Meg-Tyranno converts from robot mode to a tank and back, comes armed with a blaster, and includes a mini robot driver. A larger, more expensive option with a vehicle mode and a driver figure. Choose this if you want a centerpiece rather than a combiner component.
Who should buy EX-71 Fang of Botis
Best for
- Collectors building the Giant Kaiser combiner and needing the left arm
- Fans of small-scale third-party figures with clever engineering
- Buyers who want a viper chest armor gimmick and two chest display options
Not for
- Collectors who only buy officially licensed Transformers
- Buyers who want a large centerpiece figure for a 1/6 or Masterpiece shelf
- Anyone who wants a complete combiner in one purchase
