Back to Brick Round 1 x 1 Open Stud
Ultimate Accessories (3801-1) is a RCX LEGO set released in 2000 with 45 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing RCX sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 24 unique part types.
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Parts in this set
24 parts · updating…
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Brick 1 x 2 without Bottom Tube3065 · ×2 · Trans-Red -
Brick 1 x 2 without Bottom Tube3065 · ×2 · Trans-Dark Blue -
Brick 1 x 2 without Bottom Tube3065 · ×2 · Trans-Yellow -
Brick 1 x 2 without Bottom Tube3065 · ×2 · Trans-Green -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Green -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Red -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Dark Blue -
Brick Round 1 x 1 Open Stud3062b · ×2 · Trans-Yellow -
Control Unit, RCX Remoteupn0200 · ×1 · Black -
Dish 2 x 2 x 2/3 Light Reflector71128 · ×1 · Chrome Silver -
Large Figure Skeletal, Limb, Angular, 2 x 7 with 2 Ball Joints32173 · ×2 · Yellow -
Light Brick 1 x 2 with Single Side Light6035 · ×1 · White -
Sensor, Rotation2977c01 · ×1 · Blue -
Sensor, Touch879 · ×1 · Light Gray -
Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole32184 · ×2 · Black -
Technic Axle and Pin Connector Perpendicular Double32291 · ×2 · Light Gray -
Technic Axle Connector 2 x 3 with Ball Socket, Open Sides32174 · ×4 · Yellow -
Technic Beam 1 x 15 Thick32278 · ×2 · Black -
Technic Beam 1 x 5 Thick32316 · ×2 · Black -
Technic Beam 1 x 7 with Fan32177 · ×2 · Black -
Technic Beam 1 x 9 Bent (7 - 3) Thick32271 · ×2 · Black -
Technic Beam 3 x 5 L-Shape with Quarter Ellipse Thin32250 · ×2 · Black -
![Technic Beam Triangle Thin [Type I]](https://cdn.rebrickable.com/media/parts/elements/4142539.jpg)
Technic Beam Triangle Thin [Type I]2905 · ×2 · Light Gray -
Wire with Brick 2 x 2 x 2/3 Pair, 20L5306bc020 · ×2 · Black