Underwater Adventure

Set number

21598-1

Theme

Minecraft

Year

2026

Pieces

310

Minifigures

3 total (3 distinct designs) · 3 exclusive

Age

8+

Availability

Retail

Packaging

Box

Model size (L × W × H)

2.8 × 3.5 × 7.9 in (7 × 9 × 20 cm)

Retail price

• US $29.99
• Canada CAD $42.99
• UK £24.99
• Europe €29.99

Store prices the store's own offer

$29.99 In stock same as retail

Sold and shipped by Walmart · Last checked 2026-10-18 05:00:06 UTC · lowest in 30 days $29.99

Back in stock 2026-10-14 (out since 2026-10-13)

View on Walmart

Current market value

: Avg. New $29.47 -2% vs retail

• New median $29.95 · typical $24.97–$31.96 · 25 listings

asking prices · updated 2026-09-26 07:55:29 UTC

Release date

2026-06-01

Retiring

2027-12-31

Shelf life

1 year and 7 months

Instructions

Instructions

All 2 instruction PDFs

Minifigures (3)

• 

  Deep Sea Diver

  fig-017677

  Only in this set
• 

  Steve, Nougat Face, Lavender Helmet and Armor

  fig-017676

  Only in this set
• 

  Zombie, Sand Green Head (Drowned)

  fig-017679

  Only in this set

Qty	Image	Part	Name	Color	Sets
2		44728	Bracket 1 x 2 - 2 x 2	Black	In 574 sets
4		87087	Brick Special 1 x 1 with Stud on 1 Side	Black	In 463 sets
1		3022	Plate 2 x 2	Black	In 2,338 sets
2		61252	Plate Special 1 x 1 with Clip Horizontal [Thick Open O Clip]	Black	In 434 sets
1		3068b	Tile 2 x 2 with Groove	Black	In 1,005 sets
1		51739	Wedge Plate 2 x 4	Black	In 214 sets
1		3003	Brick 2 x 2	Blue	In 686 sets
2		24866	Plant, Flower, Plate Round 1 x 1 with 5 Petals	Blue	In 32 sets
12		60478	Plate Special 1 x 2 with Handle on End [Closed Ends]	Blue	In 62 sets
1		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Blue	In 113 sets
3		4727	Plant, Flower 2 x 2 Leaves - Angular	Bright Green	In 144 sets
2		6141	Plate Round 1 x 1 with Solid Stud	Bright Green	In 84 sets
2		3003	Brick 2 x 2	Bright Pink	In 292 sets
4		3024	Plate 1 x 1	Bright Pink	In 106 sets
1		3022	Plate 2 x 2	Bright Pink	In 146 sets
3		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Bright Pink	In 54 sets
1		3003	Brick 2 x 2	Dark Bluish Gray	In 484 sets
1		11477	Brick Curved 2 x 1 No Studs [1/2 Bow]	Dark Bluish Gray	In 406 sets
1		15400	Launcher, Brick Special 1 x 4 Spring Shooter with Light Bluish Gray Top	Dark Bluish Gray	In 260 sets
1		3023	Plate 1 x 2	Dark Bluish Gray	In 1,415 sets
1		3020	Plate 2 x 4	Dark Bluish Gray	In 1,353 sets
3		14417	Plate Special 1 x 2 with 5.9mm Centre Side Towball	Dark Bluish Gray	In 683 sets
5		3020	Plate 2 x 4	Dark Green	In 172 sets
1		3034	Plate 2 x 8	Dark Green	In 25 sets
2		3003	Brick 2 x 2	Dark Orange	In 60 sets
2		3710	Plate 1 x 4	Dark Orange	In 160 sets
1		3020	Plate 2 x 4	Dark Orange	In 177 sets
2		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Dark Orange	In 87 sets
4		2431	Tile 1 x 4 with Groove	Dark Orange	In 88 sets
4		86996	Plate 1 x 1 x 2/3 with Open Stud	Dark Pink	In 14 sets
1		3023	Plate 1 x 2	Dark Tan	In 591 sets
1		3710	Plate 1 x 4	Dark Tan	In 386 sets
1		3070b	Tile 1 x 1 with Groove	Dark Tan	In 186 sets
5		63864	Tile 1 x 3	Dark Tan	In 146 sets
1		18788	Weapon Axe Blocky	Flat Silver	In 26 sets
2		24855	Plant, Flower Stem with Bottom Bar	Green	In 171 sets
2		3022	Plate 2 x 2	Green	In 545 sets
12		2540	Plate Special 1 x 2 Side Handle [Free Ends]	Green	In 46 sets
12		3069b	Tile 1 x 2 with Groove	Lavender	In 47 sets
2		36841	Bracket 1 x 1 - 1 x 1	Light Bluish Gray	In 307 sets
1		99780	Bracket 1 x 2 - 1 x 2 Inverted	Light Bluish Gray	In 441 sets
2		99207	Bracket 1 x 2 - 2 x 2 Inverted	Light Bluish Gray	In 712 sets
1		3005	Brick 1 x 1	Light Bluish Gray	In 793 sets
2		3004pr0105	Brick 1 x 2 with Black and White Square Print	Light Bluish Gray	In 3 sets
1		54200	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	Light Bluish Gray	In 793 sets
1		34816	Brick Special 1 x 2 with Vertical Closed Handle on Edge	Light Bluish Gray	In 85 sets
1		22885	Brick Special 1 x 2 x 1 2/3 with 4 Studs on 1 Side	Light Bluish Gray	In 666 sets
2		3024	Plate 1 x 1	Light Bluish Gray	In 954 sets
2		3710	Plate 1 x 4	Light Bluish Gray	In 1,339 sets
1		2445	Plate 2 x 12	Light Bluish Gray	In 311 sets
1		3021	Plate 2 x 3	Light Bluish Gray	In 1,152 sets
1		3029	Plate 4 x 12	Light Bluish Gray	In 181 sets
3		14418	Plate Special 1 x 2 5.9mm Towball Socket	Light Bluish Gray	In 597 sets
10		44861	Plate Special 1 x 2, Top Clip [Open O]	Light Bluish Gray	In 254 sets
1		15573	Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)	Light Bluish Gray	In 775 sets
1		11476	Plate Special 1 x 2 with Clip Horizontal on Side	Light Bluish Gray	In 507 sets
1		18649	Plate Special 1 x 2 with Handles on Ends	Light Bluish Gray	In 148 sets
2		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Light Bluish Gray	In 574 sets
1		3070b	Tile 1 x 1 with Groove	Light Bluish Gray	In 624 sets
4		3069b	Tile 1 x 2 with Groove	Light Bluish Gray	In 932 sets
1		26603	Tile 2 x 3	Light Bluish Gray	In 265 sets
4		3062b	Brick Round 1 x 1 Open Stud	Lime	In 216 sets
1		3003	Brick 2 x 2	Medium Azure	In 153 sets
6		6141	Plate Round 1 x 1 with Solid Stud	Medium Azure	In 187 sets
1		18787	Weapon Sword Blocky	Medium Azure	In 39 sets
1		7711	Container Box 2 x 2 x 1 1/3 with Hinge	Medium Nougat	In 9 sets
1		7712	Lid for Box 2 x 2, Hinged	Medium Nougat	In 9 sets
2		86996	Plate 1 x 1 x 2/3 with Open Stud	Olive Green	In 24 sets
12		11090	Bar Holder with Clip	Orange	In 12 sets
1		54200	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	Orange	In 212 sets
1		3024	Plate 1 x 1	Orange	In 224 sets
1		3070b	Tile 1 x 1 with Groove	Orange	In 145 sets
2		25269	Tile Round 1 x 1 Quarter	Orange	In 96 sets
1		51739	Wedge Plate 2 x 4	Orange	In 43 sets
1		64644	Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3	Pearl Gold	In 307 sets
2		6141	Plate Round 1 x 1 with Solid Stud	Pearl Gold	In 680 sets
4		99780	Bracket 1 x 2 - 1 x 2 Inverted	Reddish Brown	In 170 sets
2		18791	Equipment Shovel Blocky	Reddish Brown	In 16 sets
4		32028	Plate Special 1 x 2 with Door Rail	Reddish Brown	In 155 sets
8		3010	Brick 1 x 4	Sand Green	In 78 sets
8		3003	Brick 2 x 2	Sand Green	In 47 sets
2		3023	Plate 1 x 2	Sand Green	In 178 sets
9		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Sand Green	In 42 sets
1		15712	Tile Special 1 x 1 with Clip with Rounded Edges	Sand Green	In 52 sets
1		11203pr0002	Tile Special 2 x 2 Inverted with Pixelated Dark Green, Dark Red, White and Gray Print (Minecraft Guardian)	Sand Green	In 2 sets
1		78801	Weapon Trident, Blocky	Sand Green	In 9 sets
1		3010	Brick 1 x 4	Tan	In 489 sets
1		3003	Brick 2 x 2	Tan	In 479 sets
4		3001	Brick 2 x 4	Tan	In 372 sets
2		54200	Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)	Tan	In 344 sets
4		26604	Brick Special 1 x 1 with Studs on 2 Adjacent Sides	Tan	In 175 sets
10		3623	Plate 1 x 3	Tan	In 560 sets
1		11212	Plate 3 x 3	Tan	In 105 sets
2		3035	Plate 4 x 8	Tan	In 199 sets
1		3036	Plate 6 x 8	Tan	In 108 sets
1		2540	Plate Special 1 x 2 Side Handle [Free Ends]	Tan	In 140 sets
2		78256	Plate Special 1 x 2 with Clip Vertical on End	Tan	In 43 sets
1		41740	Plate Special 1 x 4 with 2 Studs with Groove [New Underside]	Tan	In 179 sets
4		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Tan	In 238 sets
4		65509	Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)	Tan	In 117 sets
1		3068bpr0590	Tile 2 x 2 with Pixelated Map Print	Tan	In 10 sets
3		26603	Tile 2 x 3	Tan	In 158 sets
1		26603pr0005	Tile 2 x 3 with Pixelated Orange Eye Print	Tan	In 3 sets
2		15303	Projectile, Spring Shooter Ammunition 8L Bar	Trans-Bright Green	In 54 sets
1		3062b	Brick Round 1 x 1 Open Stud	Trans-Clear	In 318 sets
1		3024	Plate 1 x 1	Trans-Clear	In 387 sets
2		20482	Tile Special Round 1 x 1 with Hollow Bar	Trans-Clear	In 317 sets
1		22388	Brick Sloped 45° 1 x 1 x 2/3 Quadruple Convex [Pyramid]	Trans-Light Blue	In 57 sets
2		2654	Plate Round 2 x 2 with Rounded Bottom [Boat Stud]	Trans-Light Blue	In 62 sets
2		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Trans-Light Blue	In 34 sets
2		3003	Brick 2 x 2	White	In 1,207 sets
1		4733	Brick Special 1 x 1 Studs on 4 Sides	White	In 233 sets
3		32952	Brick Special 1 x 1 x 1 2/3 with Studs on 1 Side	White	In 255 sets
2		24866	Plant, Flower, Plate Round 1 x 1 with 5 Petals	White	In 165 sets
2		3003	Brick 2 x 2	Yellow	In 810 sets
2		3001	Brick 2 x 4	Yellow	In 729 sets
2		35480	Plate Special 1 x 2 Rounded with 2 Open Studs	Yellow	In 122 sets
3		87580	Plate Special 2 x 2 with Groove and Center Stud (Jumper)	Yellow	In 172 sets
1		65509	Plate Special 2 x 4 with Groove and Two Center Studs (Jumper)	Yellow	In 18 sets

Building instructions

• BI 3101, 80+4, 21598 V29
• BI 3101, 80+4, 21598 V39

PDFs from LEGO.com. The same booklet is often printed in several versions (e.g. V29 EU A4 format, V39 US Letter format).