How many pieces does the LEGO Ultimate Accessories (3801-1) have?

The LEGO Ultimate Accessories set (3801-1) contains 45 pieces. It was released in 2000 as part of the LEGO Mindstorms theme.

How can I find missing parts for LEGO set 3801-1?

On BrickMissing you can check which parts from the LEGO Ultimate Accessories (3801-1) you already own. Add your LEGO collection and we'll show exactly which of the 45 pieces you're missing and which you already have.

Can I build the LEGO Ultimate Accessories 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 45 parts to show your buildability percentage and which specific pieces you still need.

What theme is the LEGO Ultimate Accessories from?

The LEGO Ultimate Accessories (3801-1) belongs to the LEGO Mindstorms theme. You can browse all Mindstorms sets on BrickMissing to find more sets from this theme.

Ultimate Accessories

3801-1 Mindstorms 2000 45 parts 4.2% catalog rarity Beginner

Ultimate Accessories (3801-1) is a LEGO set with a listed count of 45 parts. Available inventory data is shown below.

Parts Inventory

🧱 45 parts

Showing the first 12 rows of the parts list (45 pieces in total). The full list loads automatically.

Color	Qty	LEGO price each
Light Gray	2×	Check price → View
Blue	1×	Check price → View
Trans-Red	2×	€0,08 View at LEGO → View
Trans-Dark Blue	2×	€0,08 View at LEGO → View
Trans-Yellow	2×	€0,08 View at LEGO → View
Trans-Green	2×	€0,08 View at LEGO → View
Trans-Dark Blue	2×	€0,12 View at LEGO → View
Trans-Green	2×	Check price → View
Trans-Yellow	2×	€0,12 View at LEGO → View
Trans-Red	2×	€0,12 View at LEGO → View
Yellow	2×	Check price → View
Yellow	4×	Check price → View