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Rontu the Master Dragon

Rontu the Master Dragon

Retired
Set number
71842-1
Theme
Ninjago
Year
2025
Pieces
381
Minifigures
4 total (4 distinct designs)
Age
7+
Availability
Retail
Packaging
Box
Box size (L × W × H)
10.3 × 7.5 × 2.8 in (26.2 × 19.1 × 7.2 cm)
Retail price
  • US $49.99
  • Canada CAD $59.99
  • UK £39.99
  • Europe €44.99
Store prices the store's own offer
Out of stock
  • Not in stock since we started checking on 2026-09-27
  • Listed at $46.99
Last checked
View on Walmart
Release date
2025-06-01
Retired
2026-07-31
Shelf life
1 year and 2 months
Instructions
Instructions
All 2 instruction PDFs

Minifigures (4)

Parts (137 lots, 4 exclusive parts)

QtyPartNameColorSets
3 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (Black) 53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Black In 208 sets
6 Bracket 1 x 1 - 1 x 2 Inverted (Black) 73825 Bracket 1 x 1 - 1 x 2 Inverted Black In 200 sets
4 Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] (Black) 28802 Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] Black In 201 sets
1 Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder (Black) 79180 Bracket 5 x 2 x 1 1/3 with Bottom Stud Holder Black In 73 sets
2 Brick 1 x 1 (Black) 3005 Brick 1 x 1 Black In 1,243 sets
2 Brick 1 x 3 (Black) 3622 Brick 1 x 3 Black In 709 sets
2 Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] (Black) 85080 Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] Black In 104 sets
2 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Black) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black In 1,146 sets
1 Chain 6L [5 Links] (Black) 92338 Chain 6L [5 Links] Black In 54 sets
2 Dish 2 x 2 Inverted [Radar] (Black) 4740 Dish 2 x 2 Inverted [Radar] Black In 472 sets
1 Plate 2 x 12 (Black) 2445 Plate 2 x 12 Black In 522 sets
1 Plate 2 x 3 (Black) 3021 Plate 2 x 3 Black In 1,906 sets
1 Plate Round 1 x 1 with Solid Stud (Black) 6141 Plate Round 1 x 1 with Solid Stud Black In 1,483 sets
2 Plate Round 4 x 4 with 2 x 2 Round Opening (Black) 11833 Plate Round 4 x 4 with 2 x 2 Round Opening Black In 96 sets
1 Plate Special 1 x 2 Side Handle [Free Ends] (Black) 2540 Plate Special 1 x 2 Side Handle [Free Ends] Black In 707 sets
2 Plate Special 1 x 2 with Clip Horizontal on End (Black) 63868 Plate Special 1 x 2 with Clip Horizontal on End Black In 470 sets
2 Plate Special 1 x 2 with Clip Horizontal on Side (Black) 11476 Plate Special 1 x 2 with Clip Horizontal on Side Black In 394 sets
1 Technic Axle 8 (Black) 3707 Technic Axle 8 Black In 836 sets
2 Technic Ball Joint with Through Axle Hole (Black) 53585 Technic Ball Joint with Through Axle Hole Black In 253 sets
2 Technic Brick 1 x 2 [1 Pin Hole] (Black) 3700 Technic Brick 1 x 2 [1 Pin Hole] Black In 775 sets
5 Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes (Black) 67696 Technic Brick Special 2 x 2 with Ball Socket Wide and Axle Hole, No Arm Holes Black In 58 sets
2 Technic Disc 3 x 3 (Black) 2723 Technic Disc 3 x 3 Black In 187 sets
2 Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole (Black) 66906 Technic Pin with Friction Ridges Lengthwise and Towball - Round Pin Hole Black In 202 sets
3 Technic Pin with Friction Ridges Lengthwise with No Center Slots (Black) 61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots Black In 1,225 sets
1 Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] (Black) 99563 Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot] Black In 321 sets
2 Brick Special 1 x 1 with Headlight (Blue) 4070 Brick Special 1 x 1 with Headlight Blue In 185 sets
2 Bracket 1 x 1 - 1 x 1 (Dark Blue) 36841 Bracket 1 x 1 - 1 x 1 Dark Blue In 39 sets
7 Bracket 1 x 2 - 1 x 2 (Dark Blue) 99781 Bracket 1 x 2 - 1 x 2 Dark Blue In 36 sets
2 Brick 1 x 1 (Dark Blue) 3005 Brick 1 x 1 Dark Blue In 151 sets
2 Brick 1 x 4 (Dark Blue) 3010 Brick 1 x 4 Dark Blue In 153 sets
11 Brick Curved 2 x 2 x 2/3 (Dark Blue) 15068 Brick Curved 2 x 2 x 2/3 Dark Blue In 182 sets
2 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Dark Blue) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue In 210 sets
2 Brick Special 2 x 5 with Slope, Studs on Side (Dark Blue) 79897 Brick Special 2 x 5 with Slope, Studs on Side Dark Blue In 5 sets
1 Creature Body Part, Dragon Head Upper Jaw with Bright Light Yellow Eye, Dark Pink/Blue Markings Print (Dark Blue) 7243pr0001 Creature Body Part, Dragon Head Upper Jaw with Bright Light Yellow Eye, Dark Pink/Blue Markings Print Dark Blue Exclusive
2 Plate 1 x 4 (Dark Blue) 3710 Plate 1 x 4 Dark Blue In 305 sets
2 Plate 2 x 3 (Dark Blue) 3021 Plate 2 x 3 Dark Blue In 200 sets
2 Plate 4 x 4 Corner (Dark Blue) 2639 Plate 4 x 4 Corner Dark Blue In 11 sets
2 Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] (Dark Blue) 4081b Plate Special 1 x 1 with Clip Light, Bar Hole [Thick Ring] Dark Blue In 21 sets
2 Plate Special 2 x 2 with Only 2 studs (Dark Blue) 33909 Plate Special 2 x 2 with Only 2 studs Dark Blue In 80 sets
4 Tile Round 1 x 1 Quarter (Dark Blue) 25269 Tile Round 1 x 1 Quarter Dark Blue In 115 sets
2 Tile Special 2 x 2 Corner with Cut Corner - Facet (Dark Blue) 27263 Tile Special 2 x 2 Corner with Cut Corner - Facet Dark Blue In 51 sets
6 Wedge Plate 2 x 2 Cut Corner (Dark Blue) 26601 Wedge Plate 2 x 2 Cut Corner Dark Blue In 54 sets
2 Wedge Plate 2 x 4 (Dark Blue) 51739 Wedge Plate 2 x 4 Dark Blue In 70 sets
1 Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] (Dark Bluish Gray) 3484 Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] Dark Bluish Gray In 106 sets
4 Bracket 1 x 1 - 1 x 2 (Dark Bluish Gray) 79389 Bracket 1 x 1 - 1 x 2 Dark Bluish Gray In 87 sets
4 Bracket 1 x 2 - 2 x 2 Inverted (Dark Bluish Gray) 99207 Bracket 1 x 2 - 2 x 2 Inverted Dark Bluish Gray In 204 sets
3 Brick Curved Inverted 2 x 2 x 2/3 (Dark Bluish Gray) 32803 Brick Curved Inverted 2 x 2 x 2/3 Dark Bluish Gray In 117 sets
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Dark Bluish Gray) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray In 769 sets
1 Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed (Dark Bluish Gray) 4871 Brick Sloped Inverted 45° 4 x 2 Double with 2 x 2 Recessed Dark Bluish Gray In 157 sets
1 Brick Special 1 x 1 with Studs on 2 Sides (Dark Bluish Gray) 47905 Brick Special 1 x 1 with Studs on 2 Sides Dark Bluish Gray In 134 sets
4 Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth (Dark Bluish Gray) 57360 Hinge Cylinder 1 x 2 Locking with 2 Click Fingers and Axle Hole, 7 Teeth Dark Bluish Gray In 46 sets
2 Launcher Trigger, Weapon Gun Trigger (Dark Bluish Gray) 69755 Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray In 210 sets
2 Plate 1 x 4 (Dark Bluish Gray) 3710 Plate 1 x 4 Dark Bluish Gray In 1,195 sets
4 Plate 2 x 2 (Dark Bluish Gray) 3022 Plate 2 x 2 Dark Bluish Gray In 1,242 sets
2 Plate 2 x 4 (Dark Bluish Gray) 3020 Plate 2 x 4 Dark Bluish Gray In 1,353 sets
2 Plate 4 x 4 Corner (Dark Bluish Gray) 2639 Plate 4 x 4 Corner Dark Bluish Gray In 157 sets
2 Plate Angled 2 x 2 with Step and Hole in Center (Dark Bluish Gray) 79846 Plate Angled 2 x 2 with Step and Hole in Center Dark Bluish Gray In 38 sets
3 Plate Round 1 x 1 with Open Stud (Dark Bluish Gray) 85861 Plate Round 1 x 1 with Open Stud Dark Bluish Gray In 249 sets
1 Plate Round 4 x 4 with Pin Hole (Dark Bluish Gray) 60474 Plate Round 4 x 4 with Pin Hole Dark Bluish Gray In 288 sets
4 Plate Special 1 x 2 with 5.9mm Centre Side Towball (Dark Bluish Gray) 14417 Plate Special 1 x 2 with 5.9mm Centre Side Towball Dark Bluish Gray In 683 sets
2 Plate Special 1 x 2 with End Towball (Dark Bluish Gray) 22890 Plate Special 1 x 2 with End Towball Dark Bluish Gray In 344 sets
4 Technic Beam 1 x 2 Thin (Dark Bluish Gray) 41677 Technic Beam 1 x 2 Thin Dark Bluish Gray In 176 sets
2 Technic Brick 1 x 4 [3 Pin Holes] (Dark Bluish Gray) 3701 Technic Brick 1 x 4 [3 Pin Holes] Dark Bluish Gray In 314 sets
3 Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball (Dark Bluish Gray) 57909b Technic Brick Special 2 x 2 with Ball and Axle Hole, with 6 Holes in Ball Dark Bluish Gray In 158 sets
2 Tile Round 1 x 1 Quarter (Dark Bluish Gray) 25269 Tile Round 1 x 1 Quarter Dark Bluish Gray In 185 sets
2 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (Dark Pink) 53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Dark Pink In 2 sets
2 Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip) (Dark Pink) 80497 Animal Body Part / Plant, Tail / Trunk / Tentacle / Tongue / Vine / Tree Branch (Long Tip) Dark Pink In 13 sets
2 Creature Body Part, Dragon, Wing Large (Dark Pink) 5973 Creature Body Part, Dragon, Wing Large Dark Pink Exclusive
17 Plate 1 x 2 (Dark Pink) 3023 Plate 1 x 2 Dark Pink In 175 sets
4 Tile Round 1 x 1 (Dark Pink) 98138 Tile Round 1 x 1 Dark Pink In 39 sets
2 Brick 1 x 12 (Dark Purple) 6112 Brick 1 x 12 Dark Purple In 6 sets
12 Brick Curved 2 x 1 No Studs [1/2 Bow] (Dark Purple) 11477 Brick Curved 2 x 1 No Studs [1/2 Bow] Dark Purple In 103 sets
7 Brick Curved 2 x 2 x 2/3 (Dark Purple) 15068 Brick Curved 2 x 2 x 2/3 Dark Purple In 74 sets
2 Brick Curved 3 x 1 No Studs (Dark Purple) 50950 Brick Curved 3 x 1 No Studs Dark Purple In 49 sets
4 Brick Sloped 30° 1 x 2 x 2/3 (Dark Purple) 85984 Brick Sloped 30° 1 x 2 x 2/3 Dark Purple In 82 sets
4 Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] (Dark Purple) 15672 Brick Sloped 45° 2 x 1 with 2/3 Cutout [New Version] Dark Purple In 12 sets
1 Brick Wedged, Curved 4 x 3 No Studs [Plain] (Dark Purple) 64225 Brick Wedged, Curved 4 x 3 No Studs [Plain] Dark Purple In 4 sets
1 Brick Wedged, Curved Inverted 6 x 4 (Dark Purple) 43713 Brick Wedged, Curved Inverted 6 x 4 Dark Purple In 2 sets
6 Plate 2 x 2 (Dark Purple) 3022 Plate 2 x 2 Dark Purple In 123 sets
4 Plate 2 x 4 (Dark Purple) 3020 Plate 2 x 4 Dark Purple In 106 sets
2 Plate Round 1 x 1 with Solid Stud (Dark Purple) 6141 Plate Round 1 x 1 with Solid Stud Dark Purple In 193 sets
2 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] (Dark Purple) 60897 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Dark Purple In 24 sets
4 Tile 1 x 1 with Groove (Dark Purple) 3070b Tile 1 x 1 with Groove Dark Purple In 46 sets
12 Tile 2 x 2 Curved, Macaroni (Dark Purple) 27925 Tile 2 x 2 Curved, Macaroni Dark Purple In 33 sets
2 Tile Round 2 x 2 with Bottom Stud Holder (Dark Purple) 14769 Tile Round 2 x 2 with Bottom Stud Holder Dark Purple In 42 sets
16 Bracket 1 x 2 - 1 x 2 Inverted (Dark Tan) 99780 Bracket 1 x 2 - 1 x 2 Inverted Dark Tan In 123 sets
4 Plate 2 x 2 Corner (Dark Tan) 2420 Plate 2 x 2 Corner Dark Tan In 268 sets
4 Tile 2 x 2 with Groove (Dark Tan) 3068b Tile 2 x 2 with Groove Dark Tan In 218 sets
3 Tile Round 1 x 1 (Dark Tan) 98138 Tile Round 1 x 1 Dark Tan In 49 sets
1 Brick 1 x 2 x 3 with Bottom Stud Holder (Light Bluish Gray) 22886 Brick 1 x 2 x 3 with Bottom Stud Holder Light Bluish Gray In 94 sets
4 Hinge Plate 1 x 2 Locking with 1 Finger On Top (Light Bluish Gray) 30383 Hinge Plate 1 x 2 Locking with 1 Finger On Top Light Bluish Gray In 100 sets
1 Plate Special 1 x 1 with Tooth (Light Bluish Gray) 49668 Plate Special 1 x 1 with Tooth Light Bluish Gray In 41 sets
8 Plate Special 1 x 2 5.9mm Centre Side Towball Socket (Light Bluish Gray) 14704 Plate Special 1 x 2 5.9mm Centre Side Towball Socket Light Bluish Gray In 849 sets
2 Technic Axle Pin 3L without Friction Ridges and 2L Axle (Light Bluish Gray) 65249 Technic Axle Pin 3L without Friction Ridges and 2L Axle Light Bluish Gray In 8 sets
1 Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate (Light Bluish Gray) 73109 Technic Brick Special 1 x 2 with Pin Hole and 1 x 2 Plate Light Bluish Gray In 241 sets
1 Sticker Sheet for Set 71842-1 ([No Color/Any Color]) 10113523 Sticker Sheet for Set 71842-1 [No Color/Any Color] Exclusive
12 Animal / Creature Body Part, Claw with Clip (Pearl Gold) 3171 Animal / Creature Body Part, Claw with Clip Pearl Gold In 51 sets
2 Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] (Pearl Gold) 3484 Bar 1L with Clip [Cut Edges and One Side Hole] [Full Clip] Pearl Gold In 56 sets
2 Bar Holder with Hole and Bar Handle (Pearl Gold) 23443 Bar Holder with Hole and Bar Handle Pearl Gold In 75 sets
2 Launcher, Plate Special 1 x 2 with Mini Blaster Square (Pearl Gold) 69754 Launcher, Plate Special 1 x 2 with Mini Blaster Square Pearl Gold In 31 sets
4 Plate 1 x 2 (Pearl Gold) 3023 Plate 1 x 2 Pearl Gold In 60 sets
2 Plate Round 1 x 1 with Open Stud (Pearl Gold) 85861 Plate Round 1 x 1 with Open Stud Pearl Gold In 453 sets
10 Plate Special 1 x 1 with Vertical Tooth (Pearl Gold) 15070 Plate Special 1 x 1 with Vertical Tooth Pearl Gold In 111 sets
4 Plate Special 1 x 2 with Angled Handles on Side (Pearl Gold) 92692 Plate Special 1 x 2 with Angled Handles on Side Pearl Gold In 24 sets
1 Tassel with 1 x 1 Round Stud (Pearl Gold) 25375 Tassel with 1 x 1 Round Stud Pearl Gold In 131 sets
2 Weapon Chakram / Hoop Blade / Ring (Pearl Gold) 35485 Weapon Chakram / Hoop Blade / Ring Pearl Gold In 37 sets
1 Weapon Sword, Broad with Trans-Red Blade Pattern (Pearl Gold) 7182pat0001 Weapon Sword, Broad with Trans-Red Blade Pattern Pearl Gold In 9 sets
1 Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] (Pearl Gold) 21459 Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] Pearl Gold In 241 sets
1 Weapon Sword / Saber with Curved Blade and Hilt (Pearl Gold) 25111 Weapon Sword / Saber with Curved Blade and Hilt Pearl Gold In 39 sets
1 Equipment Lantern (Pearl Titanium) 37776 Equipment Lantern Pearl Titanium In 57 sets
2 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] (Red) 60897 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] Red In 182 sets
2 Technic Axle 4 (Red) 3705 Technic Axle 4 Red In 491 sets
1 Weapon Hilt Symmetric (Sand Green) 66909 Weapon Hilt Symmetric Sand Green In 23 sets
2 Energy Effect, Flame, Squiggly (Trans-Dark Pink) 7105 Energy Effect, Flame, Squiggly Trans-Dark Pink Exclusive
1 Brick Round 1 x 1 Open Stud (Trans-Light Blue) 3062b Brick Round 1 x 1 Open Stud Trans-Light Blue In 362 sets
2 Minifig Head [Plain] [Vented Stud - 2 Holes] (Trans-Light Blue) 28621 Minifig Head [Plain] [Vented Stud - 2 Holes] Trans-Light Blue In 28 sets
2 Wave / Power Blast Rounded Energy with Bar Handle (Trans-Orange) 27393 Wave / Power Blast Rounded Energy with Bar Handle Trans-Orange In 20 sets
1 Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End (White) 47457 Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End White In 156 sets
4 Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) (White) 4032a Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) White In 722 sets
2 Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin (White) 32064a Technic Brick 1 x 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin White In 228 sets
1 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (Black) 53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Black In 208 sets extra
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Black) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Black In 1,146 sets extra
1 Chain 6L [5 Links] (Black) 92338 Chain 6L [5 Links] Black In 54 sets extra
1 Plate Round 1 x 1 with Solid Stud (Black) 6141 Plate Round 1 x 1 with Solid Stud Black In 1,483 sets extra
1 Technic Pin with Friction Ridges Lengthwise with No Center Slots (Black) 61332 Technic Pin with Friction Ridges Lengthwise with No Center Slots Black In 1,225 sets extra
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Dark Blue) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Blue In 210 sets extra
1 Tile Round 1 x 1 Quarter (Dark Blue) 25269 Tile Round 1 x 1 Quarter Dark Blue In 115 sets extra
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Dark Bluish Gray) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Dark Bluish Gray In 769 sets extra
1 Launcher Trigger, Weapon Gun Trigger (Dark Bluish Gray) 69755 Launcher Trigger, Weapon Gun Trigger Dark Bluish Gray In 210 sets extra
1 Plate Round 1 x 1 with Open Stud (Dark Bluish Gray) 85861 Plate Round 1 x 1 with Open Stud Dark Bluish Gray In 249 sets extra
1 Tile Round 1 x 1 Quarter (Dark Bluish Gray) 25269 Tile Round 1 x 1 Quarter Dark Bluish Gray In 185 sets extra
1 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (Dark Pink) 53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Dark Pink In 2 sets extra
1 Tile Round 1 x 1 (Dark Pink) 98138 Tile Round 1 x 1 Dark Pink In 39 sets extra
1 Plate Round 1 x 1 with Solid Stud (Dark Purple) 6141 Plate Round 1 x 1 with Solid Stud Dark Purple In 193 sets extra
2 Tile 1 x 1 with Groove (Dark Purple) 3070b Tile 1 x 1 with Groove Dark Purple In 46 sets extra
1 Tile Round 1 x 1 (Dark Tan) 98138 Tile Round 1 x 1 Dark Tan In 49 sets extra
1 Plate Round 1 x 1 with Open Stud (Pearl Gold) 85861 Plate Round 1 x 1 with Open Stud Pearl Gold In 453 sets extra

Building instructions

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