How many pieces does the LEGO Sweet Mayhem (41637-1) have?

The LEGO Sweet Mayhem set (41637-1) contains 137 pieces. It was released in 2019 as part of the LEGO Brickheadz theme.

How can I find missing parts for LEGO set 41637-1?

On BrickMissing you can check which parts from the LEGO Sweet Mayhem (41637-1) you already own. Add your LEGO collection and we'll show exactly which of the 137 pieces you're missing and which you already have.

Can I build the LEGO Sweet Mayhem 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 137 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Sweet Mayhem from?

The LEGO Sweet Mayhem (41637-1) belongs to the LEGO Brickheadz theme. You can browse all Brickheadz sets on BrickMissing to find more sets from this theme.

Sweet Mayhem

41637-1 Brickheadz 2019 137 parts 6.7% catalog rarity Easy

Sweet Mayhem (41637-1) is a LEGO set with a listed count of 137 parts. Available inventory data is shown below.

41637-1

3D build progress

Loading 3D model

Parts Inventory

🧱 137 parts

Showing the first 12 rows of the parts list (137 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
White	1×	€0,15 View at LEGO → View
White	1×	Check price → View
White	5×	€0,06 View at LEGO → View
Reddish Brown	4×	€0,05 View at LEGO → View
White	1×	€0,05 View at LEGO → View
Light Bluish Gray	14×	€0,17 View at LEGO → View
White	1×	€0,06 View at LEGO → View
White	2×	€0,07 View at LEGO → View
White	2×	€0,06 View at LEGO → View
White	1×	€0,10 View at LEGO → View
White	1×	€0,10 View at LEGO → View
Black	2×	€0,12 View at LEGO → View

I already have an account

Catalog rarity

How common are the parts in Sweet Mayhem?

6.7%Moderate rarity

more commonless common

4 of 60 recorded part+color combinations appear in 3 or fewer sets in our catalog. This does not measure replacement availability or price.

Theme average

4.5%

All sets

6.7%

Least common in our catalog

Tile 1 x 4 · Glitter Trans-Light Blue · only this set in our catalogBrick 1 x 4 · White · only this set in our catalogPlate Special 1 x 1 · Magenta · only this set in our catalog

How we calculate this →