How many pieces does the LEGO BOOMTOWN BUILD Discovery Set (45812-1) have?

The LEGO BOOMTOWN BUILD Discovery Set set (45812-1) contains 78 pieces. It was released in 2019 as part of the LEGO FIRST LEGO League theme.

How can I find missing parts for LEGO set 45812-1?

On BrickMissing you can check which parts from the LEGO BOOMTOWN BUILD Discovery Set (45812-1) you already own. Add your LEGO collection and we'll show exactly which of the 78 pieces you're missing and which you already have.

Can I build the LEGO BOOMTOWN BUILD Discovery Set 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 78 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO BOOMTOWN BUILD Discovery Set from?

The LEGO BOOMTOWN BUILD Discovery Set (45812-1) belongs to the LEGO FIRST LEGO League theme. You can browse all FIRST LEGO League sets on BrickMissing to find more sets from this theme.

BOOMTOWN BUILD Discovery Set

45812-1 FIRST LEGO League 2019 78 parts 63.6% repair risk Beginner

BOOMTOWN BUILD Discovery Set (45812-1) is a LEGO FIRST LEGO League from 2019. The set contains 78 parts across 12 part and colour combinations in 9 colours — the full inventory below shows exactly which pieces you need to build or complete it.

Parts Inventory

🧱 78 parts

Part	Color	Qty	LEGO price each
Duplo Fence Railing 1 x 6, with 6 Posts 12602	Yellow	2×	Check price → View
Duplo Train Crossing Gate Base / Crane Base with Bottom Hole 13358	Black	4×	Check price → View
Duplo Plate 2 x 5 with 8 Studs and Hinge 16686	Bright Green	4×	Check price → View
Duplo Figure Child, Hair Combed Forward with Curl Black, Red Top with Rocket Ship Print - Nougat Face and Hands - Dark Azure Legs 18823pr0010	Red	1×	Check price → View
Duplo Figure Child with Ponytails and Bangs Yellow, with Dark Azure Legs, White and Pink Top with Bee Print 18825pr0024	Bright Pink	1×	Check price → View
Duplo Figure Child with Ponytails and Bangs Black, Red Top with Rocket Ship Print - Nougat Face and Hands - Dark Azure Legs 18825pr0032	Red	1×	Check price → View
Duplo Brick 1 x 2 x 2 Brick Effect 25550	Medium Azure	8×	Check price → View
Duplo Brick 2 x 4 3011	Light Bluish Gray	5×	€1,06 View at LEGO → View
Duplo Brick 2 x 4 3011	Yellow	5×	€1,06 View at LEGO → View
Duplo Brick 2 x 4 3011	Black	5×	€1,06 View at LEGO → View
Duplo Brick 2 x 4 3011	Red	5×	€1,06 View at LEGO → View
Duplo Brick 2 x 4 3011	Medium Blue	5×	€1,06 View at LEGO → View

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Repairability

Can you fix BOOMTOWN BUILD Discovery Set if a piece goes missing?

63.6%Very high repair risk

easy to fixguard this box

14 of the 22 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

14.4%

All sets

6.7%

Hardest to replace

Duplo Fence Railing 1 x 6, · Yellow · only this setDuplo Train Crossing Gate Base / Crane B… · Black · only this setDuplo Plate 2 x 5 · Bright Green · only this set

How we calculate this →