LEGO Set

Jet Jack

891840-1

Released: 2018 · Parts: 15 · Theme: Ninjago

Jet Jack (891840-1) is a Ninjago LEGO set released in 2018 with 15 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Ninjago sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 10 unique part types.

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Buying checklist

Quick context before you buy this set used or verify a marketplace listing.

Release year

2018 (8 years ago — may be retired)
Catalog scale

15 parts listed · 10 inventory lines tracked
Minifigures

1 in this set's inventory — verify completeness when buying used
Build manual

No digital manual in our catalog — check the box tab or LEGO.com
Shipping weight (est.)

~20 g for parts inventory (excludes box/minifig packaging)
Before you buy used

Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing

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Market value

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