LEGO part 7729: Brick Special 1 x 1 x 1 2/3 with 6 Studs on 3 Sides

Specifications
| Reference | 7729 |
|---|---|
| Category | Bricks Special |
| Material | ABS plastic |
| Colours | 4 |
| Sets | 26 |
| Listed pieces | 85 |
| First appearance | 2025 |
| Latest appearance | 2026 |
| Element (Black) | 6602161 |
LEGO part 7729, Brick Special 1 x 1 x 1 2/3 with 6 Studs on 3 Sides, belongs to the Bricks Special category. It exists in 4 colours and appears in 26 sets of our database, from 2025 to 2026, for a total of 85 listed pieces. Its most common colour is Black.
Number 7729 identifies the shape and is moulded under the part. Each colour also has its own element ID, the one Pick a Brick uses: in black, it is 6602161.
Part 7729 through the years
The oldest set in our database that contains part 7729 is 21362 Mineral Collection, released in 2025 in the LEGO Ideas and CUUSOO theme. It is still in use: the most recent set featuring it, 72153 Venusaur, Charizard and Blastoise, dates from 2026.
Its peak year is 2026, with 25 sets containing it. The set with the most copies is 72152 Pikachu and Poké Ball: 9 copies, against an average of 3.3 per set.
It is spread across several themes, led by Pokémon (23%), LEGO Ideas and CUUSOO (15%) and Seasonal (12%). With 26 sets, it ranks no. 2,370 of 2,731 parts in our database and no. 68 of 71 in the Bricks Special category.
Sets containing part 7729, by period
| Period | Sets | |
|---|---|---|
| 2025 | 1 | |
| 2026 | 25 |
Where to buy part 7729
Setopedia shows no prices: they vary by colour, condition and seller. Amazon links are affiliate links.
Sets that include part 7729
Sets ranked by popularity that include at least one part 7729, in any colour.
72153Venusaur, Charizard and Blastoise2026 · 6,838 piecesView the set
11374Arcade Pinball Machine2026 · 2,274 piecesView the set
72152Pikachu and Poké Ball2026 · 2,050 piecesView the set- 4000048Bugatti Type 352026 · 1,600 piecesView the set
71515Tiger Shark Tank2026 · 1,548 piecesView the set
75455Boba Fett2026 · 1,544 piecesView the set
42691 Garden Restaurant2026 · 1,465 pieces
21367 Tintin Moon Rocket2026 · 1,283 pieces
77985 Dinosaur Fossils: Triceratops2026 · 1,154 pieces
21368 Peanuts: Snoopy's Doghouse2026 · 964 pieces
72165 Umbreon vs. Garchomp Championship Battle2026 · 831 pieces
11389 Project Hail Mary2026 · 830 pieces
72537 Derpy Tiger and Sussie Bird2026 · 825 pieces
72150 Munchlax2026 · 757 pieces
21365 Love Birds2026 · 750 pieces
40957 Spring Wreath2026 · 747 pieces
31393 Forest Animals: Gray Wolf2026 · 657 pieces
72162 Eevee and Lapras's Treasure Hunt2026 · 623 pieces
77059 Timmy & Tommy's Fun Day Out2026 · 513 pieces
77254 Ferrari SF90 XX Stradale Sports Car2026 · 339 pieces
40907 Restaurants of the World: Mexico2026 · 326 pieces
75456 Star Wars Advent Calendar 20262026 · 290 pieces
60510 City Advent Calendar 20262026 · 262 pieces
40954 Germany Postcard2026 · 240 pieces
40911 Mini Pokémon Center2026 · 233 pieces
21362 Mineral Collection2025 · 880 pieces
More parts in the Bricks Special category
4920 Brick Special 1 x 2 with Rotation Joint Pin35 sets
52038 Brick Special 2 x 4 - 1 x 4 with 2 Recessed Studs and Thick Side Arches33 sets
27976 Slide Straight 4 x 6 x 632 sets
65635 Brick Special 2 x 6 x 1 1/3 with Axle Holes and 2 x 4 Recessed, Bar at Underside30 sets
4729 Brick Special 2 x 2 No Studs, Top Pin29 sets
30274 Brick Special 2 x 3 x 3 with Cutout and Lion Head [Hollow Studs]25 sets
60583a Brick Special 1 x 1 x 3 with 2 Clips Vertical [Solid Stud, Thick U Clips]22 sets
18585 Brick Special 2 x 4 with Pin Holes and Flywheel Socket [Airjitzu]20 sets
Frequently asked questions
How many LEGO sets include part 7729?
Part 7729 (Brick Special 1 x 1 x 1 2/3 with 6 Studs on 3 Sides) appears in 26 sets listed on Setopedia, from 2025 to 2026, in any colour.
Which LEGO set contains the most copies of part 7729?
Set 72152 Pikachu and Poké Ball, released in 2026, contains 9 copies, the highest count in our database. On average, a set containing part 7729 has 3.3.
Which colours does LEGO part 7729 come in?
4 colours are listed for part 7729. The most common is Black, found in 13 sets.
What is the rarest colour of part 7729?
According to our inventories, it is orange, found in only 2 sets (72153 Venusaur, Charizard and Blastoise, 75456 Star Wars Advent Calendar 2026).
What is the element ID of part 7729 in black?
In black, part 7729 has element ID 6602161. Number 7729 is the mould number, the same for every colour.
Is LEGO part 7729 still used in recent sets?
Yes: it appears in sets released in 2026, such as 72153 Venusaur, Charizard and Blastoise.
Where can I buy LEGO part 7729 individually?
Single parts 7729 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.
