Kai's Motorcycle Speed Race
71838-1 Ninjago 2025 79 parts 8.9% repair risk Easy
Recreate thrilling scenes from season 3 of NINJAGO® Dragons Rising with Kai's Motorcycle Speed Race (71838). This action-packed NINJAGO® playset features two ninja bike toys with moving wheels: Kai's race bike, adorned with two daggers, and the villainous Spectral Dragonian Scout's demon bike. Included are two NINJAGO® minifigures: Kai, armed with a translucent reveal blade accessory and two golden katana sword accessories, and a Spectral Dragonian Scout with a sword accessory. Fans can stage epic good vs. evil battles and role-play adventures with their heroes.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![Slope Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6029946.jpg) Slope Curved 2 x 1 No Studs [1/2 Bow] 11477 | 1× | €0,06 |
![Slope Curved 2 x 1 No Studs [1/2 Bow]](https://cdn.rebrickable.com/media/parts/elements/6047276.jpg) Slope Curved 2 x 1 No Studs [1/2 Bow] 11477 | 1× | €0,06 |
![Plate Special 1 x 2 with Three Teeth [Tri-Tooth]](https://cdn.rebrickable.com/media/parts/elements/6543213.jpg) Plate Special 1 x 2 with Three Teeth [Tri-Tooth] 15208 | 1× | €0,12 |
 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573 | 2× | €0,06 |
 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573 | 1× | €0,06 |
 Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) 15573 | 1× | €0,06 |
 Plate Round 1 x 2 Half Circle with Stud (Jumper) 1745 | 2× | €0,15 |
 Slope Curved 2 x 2 Inverted with 1 x 2 Cutouts 1750 | 1× | €0,21 |
![Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard]](https://cdn.rebrickable.com/media/parts/elements/6116596.jpg) Weapon Sword / Katana / Shamshir with Capped Pommel [Square Guard] 21459 | 2× | €0,13 |
 Handlebars 30031 | 2× | €0,10 |
 Plate 2 x 3 3021 | 1× | €0,13 |
 Plate 2 x 2 3022 | 4× | €0,10 |
Repairability
Can you fix Kai's Motorcycle Speed Race if a piece goes missing?
4 of the 45 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.
Theme average
6.4%
All sets
6.7%
Hardest to replace
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Build DNA
Parts inventory insights for Kai's Motorcycle Speed Race
79 pieces puts this build -83% against the average Ninjago set and -88% against the average 2025 release.
Vs average Ninjago set
Average Ninjago set: 458 pieces across 410 other sets.
Vs average 2025 set
Average 2025 set: 637 pieces across 562 other sets.
Color profile
Dominant color
Black
Unique parts
0.5 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Plate Special 1 x 2 [Open O Top Clip]
![Plate Special 1 x 2 [Open O Top Clip]](https://cdn.rebrickable.com/media/parts/ldraw/0/44861.png)
6xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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