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% repair risk Beginner

Jet / Judge Slizer (8504-1) is a LEGO Technic from 1999. The set contains 44 parts across 12 part and colour combinations in 3 colours — the full inventory below shows exactly which pieces you need to build or complete it.

Parts Inventory

🧱 44 parts

Part	Color	Qty	LEGO price each
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	2×	Check price → View
Technic Axle 2 Notched 32062	Black	1×	€0,07 View at LEGO → View
Technic Bush 1/2 Smooth with Axle Hole Reduced 32123a	Tan	4×	Check price → View
Technic Block 3 x 6 x 1 & 2/3 32165	Black	1×	Check price → View
Technic Rectangular Gearbox Half 32167	Yellow	2×	Check price → View
Large Figure Skeletal, Arm Forked with Flexible Center and Ball Joint 32168	Yellow	2×	Check price → View
Large Figure Visor / Limb Cover, Armour with Jet / Judge Print 32169pr0007	Yellow	1×	Check price → View
Technic Gear Rack Double with Ball Joint 32170	Black	1×	Check price → View
Large Figure Throwing Disk, Jet / Judge, 2 Pips, Radiating Arrows Logo Print 32171pr0031	Black	1×	Check price → View
Large Figure Throwing Disk, Granite / Rock, 3 Pips, Granite Throwing Disk Print 32171pr0044	Tan	1×	Check price → View
Technic Pin Connector Block 3 x 3 x 1 32172	Black	2×	Check price → View
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints 32173	Yellow	2×	Check price → View

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Repairability

Can you fix Jet / Judge Slizer if a piece goes missing?

28%Very high repair risk

easy to fixguard this box

7 of the 25 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

6.5%

All sets

6.7%

Hardest to replace

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

How we calculate this →