How many pieces does the LEGO XT4 (6229-1) have?

The LEGO XT4 set (6229-1) contains 39 pieces. It was released in 2012 as part of the LEGO Hero Factory theme.

How can I find missing parts for LEGO set 6229-1?

On BrickMissing you can check which parts from the LEGO XT4 (6229-1) you already own. Add your LEGO collection and we'll show exactly which of the 39 pieces you're missing and which you already have.

Can I build the LEGO XT4 with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 39 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO XT4 from?

The LEGO XT4 (6229-1) belongs to the LEGO Hero Factory theme. You can browse all Hero Factory sets on BrickMissing to find more sets from this theme.

XT4

6229-1 Hero Factory 2012 39 parts 20% catalog rarity Beginner

Teach the heroes the meaning of tough with the XT4 (6229-1) set! XT4 has made a daring escape from the Hero Factory, fleeing to his home planet, Mechna. This heavy-metal robot is no easy target, boasting a menacing cyborg eye and four powerful arms. Each arm is equipped with razor disc slicers, alongside two striking blades and a laser slicer, making it a formidable opponent. The highly flexible and poseable elements allow for dynamic action poses. Defend XT4 against the heroes and prepare for an epic showdown! Challenge hero 6221 NEX in battle, or combine XT4 with 6221 NEX for an even larger, more powerful model. XT4 stands over 6 inches (17cm) tall and includes a unique code worth 200 game points for the LEGO Hero Factory BREAKOUT game online. Confront XT4 and unleash its full villainous might!

Parts Inventory

🧱 39 parts

Showing the first 12 rows of the parts list (39 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Yellow	1×	Check price → View
Trans-Neon Orange	1×	Check price → View
Tan	1×	€0,06 View at LEGO → View
Black	2×	Check price → View
Trans-Red	1×	€0,07 View at LEGO → View
Flat Silver	1×	Check price → View
Yellow	2×	Check price → View
Black	4×	Check price → View
Black	1×	Check price → View
Light Bluish Gray	2×	Check price → View
Light Bluish Gray	8×	Check price → View
Black	1×	Check price → View

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Catalog rarity

How common are the parts in XT4?

20%High rarity

more commonless common

4 of 20 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

22.2%

All sets

6.7%

Least common in our catalog

Large Figure Foot, Short · Yellow · only this set in our catalogLarge Figure Mask, One Eye Opening (XT4) · Yellow · only this set in our catalogLarge Figure Skeletal, Limb · Light Bluish Gray · 2 sets in our catalog

How we calculate this →