How many pieces does the LEGO Troll on the Loose (4712-1) have?

The LEGO Troll on the Loose set (4712-1) contains 72 pieces. It was released in 2002 as part of the LEGO Harry Potter theme.

How can I find missing parts for LEGO set 4712-1?

On BrickMissing you can check which parts from the LEGO Troll on the Loose (4712-1) you already own. Add your LEGO collection and we'll show exactly which of the 72 pieces you're missing and which you already have.

Can I build the LEGO Troll on the Loose 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 72 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Troll on the Loose from?

The LEGO Troll on the Loose (4712-1) belongs to the LEGO Harry Potter theme. You can browse all Harry Potter sets on BrickMissing to find more sets from this theme.

Troll on the Loose

4712-1 Harry Potter 2002 72 parts 12.5% catalog rarity Beginner

Troll on the Loose (4712-1) is a LEGO set with a listed count of 72 parts. Available inventory data is shown below.

Parts Inventory

🧱 72 parts

Showing the first 12 rows of the parts list (72 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Gray	2×	Check price → View
Light Gray	2×	Check price → View
Black	10×	€0,11 View at LEGO → View
Light Gray	4×	Check price → View
Black	1×	€0,18 View at LEGO → View
Light Gray	6×	Check price → View
Brown	2×	Check price → View
Black	2×	€0,07 View at LEGO → View
Brown	1×	Check price → View
Light Gray	1×	Check price → View
Brown	1×	Check price → View
Sand Green	2×	€0,10 View at LEGO → View

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Catalog rarity

How common are the parts in Troll on the Loose?

12.5%High rarity

more commonless common

4 of 32 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

7.8%

All sets

6.7%

Least common in our catalog

Minifig Head Pumpkin, Jack O' Lantern Pr… · Orange · 2 sets in our catalogPlate 6 x 14 · Brown · 3 sets in our catalogEquipment Dish / Plate / Bowl 3 x 3 [Pla… · White · 3 sets in our catalog

How we calculate this →