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Kai's Motorcycle Speed Race

Kai's Motorcycle Speed Race

Retiring soon
Set number
71838-1
Theme
Ninjago
Year
2025
Pieces
79
Minifigures
2 total (2 distinct designs) · 1 exclusive
Age
6+
Availability
Retail
Packaging
Box
Box size (L × W × H)
7.5 × 5.6 × 1.8 in (19.1 × 14.1 × 4.6 cm)
Model size (L × W × H)
3.5 × 1.2 × 1.6 in (9 × 3 × 4 cm)
Retail price
  • US $9.99
  • Canada CAD $12.99
  • UK £8.99
  • Europe €9.99
Store prices the store's own offer
Amazon
$9.97 In stock same as retail
Sold and shipped by Amazon.com · Last checked · lowest in 30 days $9.97
View on Amazon
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$9.97 Low stock same as retail
Sold and shipped by Walmart · Last checked · lowest in 30 days $9.97
Back in stock 2026-10-16 (out since 2026-10-14)
View on Walmart
Current market value
Amazon marketplace: Lowest New $9.97 -0% vs retail
  • New4 sellers (Amazon.com and others) · sales rank #2,502 in [{'name': 'Toys & Games', 'url': '/gp/bestsellers/toys-and-games/ref=pd_zg_ts_toys-and-games'}]
cheapest new offer from any seller · updated
: Avg. New $17.43 +74% vs retail · Avg. Used $36.09
  • New median $15.30 · typical $13.67–$20.00 · 60 listings
  • Used median $17.49 · typical $14.53–$76.24 · 4 listings · few listings
asking prices · updated
Release date
2025-06-01
Retiring
2026-12-31
Shelf life
1 year and 7 months
Instructions
Instructions
All 2 instruction PDFs

Minifigures (2)

Parts (39 lots)

QtyPartNameColorSets
4 Bracket 1 x 2 - 1 x 2 (Black) 99781 Bracket 1 x 2 - 1 x 2 Black In 528 sets
1 Brick Curved 2 x 1 No Studs [1/2 Bow] (Black) 11477 Brick Curved 2 x 1 No Studs [1/2 Bow] Black In 741 sets
1 Brick Curved Inverted 2 x 2 with 1 x 2 Cutouts (Black) 1750 Brick Curved Inverted 2 x 2 with 1 x 2 Cutouts Black In 47 sets
2 Handlebars (Black) 30031 Handlebars Black In 214 sets
4 Plate 2 x 2 (Black) 3022 Plate 2 x 2 Black In 2,338 sets
1 Plate Special 1 x 1 with Handle on 2 Ends (Black) 78257 Plate Special 1 x 1 with Handle on 2 Ends Black In 51 sets
3 Plate Special 1 x 2, Top Clip [Open O] (Black) 44861 Plate Special 1 x 2, Top Clip [Open O] Black In 357 sets
2 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 Tyre 24 x 14 Shallow Tread (Tread Small Hub), Band Around Center of Tread (Black) 89201 Tyre 24 x 14 Shallow Tread (Tread Small Hub), Band Around Center of Tread Black In 98 sets
2 Tyre 30.4 x 14 Offset Tread [Centre Band] (Black) 92402 Tyre 30.4 x 14 Offset Tread [Centre Band] Black In 177 sets
2 Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes (Black) 55981 Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Black In 87 sets
1 Bracket 1 x 1 - 1 x 1 Inverted (Bright Light Orange) 36840 Bracket 1 x 1 - 1 x 1 Inverted Bright Light Orange In 38 sets
2 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) (Bright Light Orange) 15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Bright Light Orange In 112 sets
1 Weapon Hilt Symmetric (Dark Bluish Gray) 66909 Weapon Hilt Symmetric Dark Bluish Gray In 47 sets
4 Wheel Fork with 2 x 2 Plate (Dark Bluish Gray) 77598 Wheel Fork with 2 x 2 Plate Dark Bluish Gray In 23 sets
1 Plate 2 x 3 (Dark Red) 3021 Plate 2 x 3 Dark Red In 79 sets
3 Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin (Light Aqua) 69858 Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin Light Aqua In 7 sets
1 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) (Light Aqua) 15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Light Aqua In 41 sets
1 Plate Special 1 x 2 with Three Teeth [Tri-Tooth] (Light Aqua) 15208 Plate Special 1 x 2 with Three Teeth [Tri-Tooth] Light Aqua In 2 sets
2 Plate Special Round 1 x 2 Half Circle with Stud (Jumper) (Light Aqua) 1745 Plate Special Round 1 x 2 Half Circle with Stud (Jumper) Light Aqua In 12 sets
4 Bracket 1 x 2 - 1 x 2 Inverted (Light Bluish Gray) 99780 Bracket 1 x 2 - 1 x 2 Inverted Light Bluish Gray In 441 sets
4 Technic Pin Long 3l with Stop and Hole (Light Bluish Gray) 77765 Technic Pin Long 3l with Stop and Hole Light Bluish Gray In 148 sets
2 Plate Round 1 x 1 with Solid Stud (Pearl Gold) 6141 Plate Round 1 x 1 with Solid Stud Pearl Gold In 680 sets
1 Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] (Pearl Gold) 3839b Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Pearl Gold In 35 sets
2 Weapon Sai (Pearl Gold) 98139 Weapon Sai Pearl Gold In 112 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
2 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 Brick Curved 2 x 1 No Studs [1/2 Bow] (Red) 11477 Brick Curved 2 x 1 No Studs [1/2 Bow] Red In 409 sets
2 Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End (Red) 47458 Brick Wedged, Curved 1 x 2 x 2/3 No Studs, Wing End Red In 49 sets
1 Plate 2 x 2 (Red) 3022 Plate 2 x 2 Red In 1,469 sets
3 Plate Special 1 x 2, Top Clip [Open O] (Red) 44861 Plate Special 1 x 2, Top Clip [Open O] Red In 85 sets
1 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) (Red) 15573 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Red In 373 sets
2 Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes (Red) 55981 Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Red In 16 sets
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Trans-Light Blue) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Light Blue In 218 sets
1 Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin (Light Aqua) 69858 Plant / Animal Body Part, Tree / Branch / Tail / Appendage / Tentacle with Pin Light Aqua In 7 sets extra
1 Plate Round 1 x 1 with Solid Stud (Pearl Gold) 6141 Plate Round 1 x 1 with Solid Stud Pearl Gold In 680 sets extra
1 Weapon Sai (Pearl Gold) 98139 Weapon Sai Pearl Gold In 112 sets extra
1 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small (Red) 53451 Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Red In 92 sets extra
1 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) (Trans-Light Blue) 54200 Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope) Trans-Light Blue In 218 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).