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LEGO part 50901: Large Figure Skeletal, Connector Block 1 x 3 x 2 with 2 Pins and Axle Hole (Rhotuka)

Large Buildable Figures2 colours20 sets

LEGO part LEGO part 50901: Large Figure Skeletal, Connector Block 1 x 3 x 2 with 2 Pins and Axle Hole (Rhotuka)

Specifications

Reference50901
CategoryLarge Buildable Figures
MaterialABS plastic
Colours2
Sets20
Listed pieces30
First appearance2005
Latest appearance2006
Element (Dark Bluish Gray)4247658
Most common colourDark Bluish Gray
Main themesBionicle
SetopediaData: Rebrickable
Spec sheet updated on 2026-09-29

LEGO part 50901, Large Figure Skeletal, Connector Block 1 x 3 x 2 with 2 Pins and Axle Hole (Rhotuka), belongs to the Large Buildable Figures category. It exists in 2 colours and appears in 20 sets of our database, from 2005 to 2006, for a total of 30 listed pieces. Its most common colour is Dark Bluish Gray.

Number 50901 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in dark bluish gray, it is 4247658.

Part 50901 through the years

The oldest set in our database that contains part 50901 is 8759 Battle of Metru Nui, released in 2005 in the Bionicle theme. No set in our database uses it after 2006, the year of 6620 Ultimate Accessory Set 500. To get it today, look for older sets or buy it second-hand.

Its peak year is 2005, with 18 sets containing it. The set with the most copies is 6620 Ultimate Accessory Set 500: 10 copies, against an average of 1.5 per set.

The part is closely tied to the Bionicle theme: 100% of the sets that contain it belong to it. With 20 sets, it ranks no. 2,724 of 2,731 parts in our database and no. 74 of 74 in the Large Buildable Figures category.

Sets containing part 50901, by period

PeriodSets
200518
20062

Colours of part 50901

Even its least common colour, black, can be found in 4 sets.

Colour (element ID)SetsPiecesExample sets
Dark Bluish Gray42476581625662086258763
Black424206445875987618756

Where to buy part 50901

Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.

Related parts

Often found with part 50901

Parts that share the most sets with part 50901, based on set inventories.

More parts in the Large Buildable Figures category

All parts in the Large Buildable Figures category

Frequently asked questions

How many LEGO sets include part 50901?

Part 50901 (Large Figure Skeletal, Connector Block 1 x 3 x 2 with 2 Pins and Axle Hole (Rhotuka)) appears in 20 sets listed on Setopedia, from 2005 to 2006, in any colour.

Which LEGO set contains the most copies of part 50901?

Set 6620 Ultimate Accessory Set 500, released in 2006, contains 10 copies, the highest count in our database. On average, a set containing part 50901 has 1.5.

Which colours does LEGO part 50901 come in?

2 colours are listed for part 50901. The most common is Dark Bluish Gray, found in 16 sets.

What is the rarest colour of part 50901?

According to our inventories, it is black, found in only 4 sets (8759 Battle of Metru Nui, 8761 Roodaka).

What is the element ID of part 50901 in dark bluish gray?

In dark bluish gray, part 50901 has element ID 4247658. Number 50901 is the mould number, the same for every colour.

Is LEGO part 50901 still used in recent sets?

Not in our database: its last set dates from 2006 (6620 Ultimate Accessory Set 500). Look for it in second-hand sets or on BrickLink.

Where can I buy LEGO part 50901 individually?

Single parts 50901 can be ordered on Pick a Brick (lego.com) in colours currently produced, or on BrickLink for older colours. The part is also included in the sets listed on this page.