How many pieces does the LEGO Jet / Judge Slizer (8504-1) have?

The LEGO Jet / Judge Slizer set (8504-1) contains 44 pieces. It was released in 1999 as part of the LEGO Technic theme.

How can I find missing parts for LEGO set 8504-1?

On BrickMissing you can check which parts from the LEGO Jet / Judge Slizer (8504-1) you already own. Add your LEGO collection and we'll show exactly which of the 44 pieces you're missing and which you already have.

Can I build the LEGO Jet / Judge Slizer with parts I already have?

Use BrickMissing's free parts checker to find out. Add LEGO sets you own to your collection and we'll cross-reference all 44 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Jet / Judge Slizer from?

The LEGO Jet / Judge Slizer (8504-1) belongs to the LEGO Technic theme. You can browse all Technic sets on BrickMissing to find more sets from this theme.

Jet / Judge Slizer

8504-1 Technic 1999 44 parts 28% catalog rarity Beginner

Jet / Judge Slizer (8504-1) is a LEGO set with a listed count of 44 parts. Available inventory data is shown below.

Parts Inventory

🧱 44 parts

Showing the first 12 rows of the parts list (44 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Black	2×	Check price → View
Black	1×	€0,07 View at LEGO → View
Tan	4×	Check price → View
Black	1×	Check price → View
Yellow	2×	Check price → View
Yellow	2×	Check price → View
Yellow	1×	Check price → View
Black	1×	Check price → View
Black	1×	Check price → View
Tan	1×	Check price → View
Black	2×	Check price → View
Yellow	2×	Check price → View

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Catalog rarity

How common are the parts in Jet / Judge Slizer?

28%Very high rarity

more commonless common

7 of 25 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

6.5%

All sets

6.7%

Least common in our catalog

Technic Rectangular Gearbox Half · Yellow · only this set in our catalogLarge Figure Throwing Disk, Jet / Judge,… · Black · only this set in our catalogLarge Figure Throwing Disk, Granite / Ro… · Tan · only this set in our catalog

How we calculate this →