How many pieces does the LEGO Droid Developer Kit (9748-1) have?

The LEGO Droid Developer Kit set (9748-1) contains 658 pieces. It was released in 1999 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 9748-1?

On BrickMissing you can check which parts from the LEGO Droid Developer Kit (9748-1) you already own. Add your LEGO collection and we'll show exactly which of the 658 pieces you're missing and which you already have.

Can I build the LEGO Droid Developer 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 658 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Droid Developer Kit from?

The LEGO Droid Developer Kit (9748-1) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

Droid Developer Kit

9748-1 Mindstorms 1999 658 parts 15.7% repair risk Easy

Droid Developer Kit (9748-1) is a LEGO Mindstorms from 1999. The set contains 658 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

🧱 658 parts

Part	Color	Qty	LEGO price each
Tyre 30 x 10.5 Offset Tread 2346	Light Gray	4×	Check price → View
Tile Special 1 x 2 Grille with Bottom Groove 2412b	Light Gray	4×	Check price → View
Tile Special 1 x 2 Grille with Bottom Groove 2412b	White	2×	€0,06 View at LEGO → View
Plate 2 x 2 Corner 2420	Light Gray	4×	Check price → View
Plate 2 x 2 Corner 2420	White	4×	€0,07 View at LEGO → View
Plate Special 2 x 2 with 1 Pin Hole [Split Underside Ribs] 2444	Black	2×	Check price → View
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654	White	4×	€0,07 View at LEGO → View
Technic Axle Towball 2736	Light Gray	4×	Check price → View
Technic Slope Long 1 x 6 with 3 Pin Holes 2744	White	2×	Check price → View
Technic Pin with Friction Ridges Lengthwise and Center Slots 2780	Black	34×	Check price → View
Technic Beam 1 x 4 Thin with Stud Connector 2825	White	7×	Check price → View
Technic Beam 1 x 4 Thin with Stud Connector 2825	Light Gray	1×	Check price → View

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Repairability

Can you fix Droid Developer Kit if a piece goes missing?

15.7%High repair risk

easy to fixguard this box

20 of the 127 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

8.4%

All sets

6.7%

Hardest to replace

Technic Beam 1 x 7 · Black · only this setTechnic Panel Fairing # 3 Large Long, La… · White · only this setTechnic Panel Fairing # 4 Large Long, La… · White · only this set

How we calculate this →