How many pieces does the LEGO MISSION MARS Challenge Kit (9788-1) have?

The LEGO MISSION MARS Challenge Kit set (9788-1) contains 1209 pieces. It was released in 2003 as part of the LEGO FIRST LEGO League theme.

How can I find missing parts for LEGO set 9788-1?

On BrickMissing you can check which parts from the LEGO MISSION MARS Challenge Kit (9788-1) you already own. Add your LEGO collection and we'll show exactly which of the 1209 pieces you're missing and which you already have.

Can I build the LEGO MISSION MARS Challenge Kit 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 1209 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO MISSION MARS Challenge Kit from?

The LEGO MISSION MARS Challenge Kit (9788-1) 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.

MISSION MARS Challenge Kit

9788-1 FIRST LEGO League 2003 1209 parts 7.9% repair risk Intermediate

MISSION MARS Challenge Kit (9788-1) is a LEGO FIRST LEGO League from 2003. The set contains 1,209 parts across 12 part and colour combinations in 5 colours — the full inventory below shows exactly which pieces you need to build or complete it.

Parts Inventory

🧱 1209 parts

Part	Color	Qty	LEGO price each
Tile Special 1 x 2 Grille with Bottom Groove 2412b	Light Bluish Gray	9×	Check price → View
Tile 1 x 4 with Groove 2431	Yellow	13×	€0,12 View at LEGO → View
Tile 1 x 4 with Groove 2431	Black	10×	€0,12 View at LEGO → View
Plate 2 x 12 2445	Dark Gray	6×	Check price → View
Brick 2 x 6 2456	Black	3×	€0,29 View at LEGO → View
Brick Special 1 x 2 with Pin 2458	Tan	2×	Check price → View
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654	Black	1×	€0,07 View at LEGO → View
Technic Brick 1 x 10 [9 Pin Holes] 2730	Black	4×	€0,48 View at LEGO → View
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	104×	Check price → View
Brick Special 1 x 1 with Handle 2921	Tan	2×	€0,10 View at LEGO → View
Lever Small Base with Black Lever 298c02	Black	1×	€0,19 View at LEGO → View
Brick 2 x 2 3003	Tan	1×	€0,13 View at LEGO → View

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Repairability

Can you fix MISSION MARS Challenge Kit if a piece goes missing?

7.9%Moderate repair risk

easy to fixguard this box

12 of the 152 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

Technic Pin Connector Perpendicular 2 x… · Light Gray · only this setHose, Ribbed 7mm D. 8L / 6.4cm · Metallic Silver · only this setHose, Ribbed 7mm D. 13L / 10.4cm · Metallic Silver · only this set

How we calculate this →