Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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.

Question 3

Can I build the LEGO Ultimate Accessories with parts I already have?

Accepted Answer

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.

Question 4

What theme is the LEGO Ultimate Accessories from?

Accepted Answer

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.

Part	Color	Qty
Technic Beam Triangle Thin [Type I] 2905	Light Gray	2×
Sensor, Rotation 2977c01	Black	1×
Brick Round 1 x 1 Open Stud 3062b	Trans-Red	2×
Brick Round 1 x 1 Open Stud 3062b	Trans-Dark Blue	2×
Brick Round 1 x 1 Open Stud 3062b	Trans-Yellow	2×
Brick Round 1 x 1 Open Stud 3062b	Trans-Green	2×
Brick 1 x 2 without Bottom Tube 3065	Trans-Dark Blue	2×
Brick 1 x 2 without Bottom Tube 3065	Trans-Green	2×
Brick 1 x 2 without Bottom Tube 3065	Trans-Yellow	2×
Brick 1 x 2 without Bottom Tube 3065	Trans-Red	2×

Brick Round 1 x 1 Open Stud	3062b	Trans-Green	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Dark Blue	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Green	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Yellow	2×
Brick 1 x 2 without Bottom Tube	3065	Trans-Red	2×
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints	32173	Yellow	2×
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides	32174	Yellow	4×
Technic Beam 1 x 7 with Fan	32177	Black	2×
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole	32184	Black	2×
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin	32250	Black	2×
Technic Beam 1 x 9 Bent (7 - 3) Thick	32271	Black	2×
Technic Beam 1 x 15 Thick	32278	Black	2×
Technic Axle and Pin Connector Perpendicular Double	32291	Light Gray	2×
Technic Beam 1 x 5 Thick	32316	Black	2×
Wire with Brick 2 x 2 x 2/3 Pair, 20L	5306bc020	Black	2×
Light Brick 1 x 2 with Single Side Light	6035	White	1×
Dish 2 x 2 x 2/3 Light Reflector	71128	Chrome Silver	1×
Sensor, Touch	879	Light Gray	1×
Control Unit, RCX Remote	upn0200	Black	1×

Ultimate Accessories

Parts Inventory

Parts inventory insights for Ultimate Accessories