About Robobots
Robobots (4099-1) is a LEGO LEGO set from 2003 valued at $30.00 on BrickLink. It contains 145 cataloged parts. This set has been retired and is only available on the secondary market.
Seller notes
- Sealed copies sell for $53.16 vs $30.00 used — a 77% premium. If you have this set new in sealed box (NISB), price it accordingly.
Parts (145)
Brick 2 x 2 Corner
Blue×2
Tile, Modified 1 x 2 Grille with Bottom Groove
White×3
Tile, Modified 1 x 2 Grille with Bottom Groove
Orange×2
Tile, Modified 1 x 2 Grille with Bottom Groove
Light Gray
Tile, Modified 1 x 2 Grille with Bottom Groove
Black×3
Tile, Modified 1 x 2 Grille with Bottom Groove
Trans-Red
Tile, Modified 1 x 2 Grille with Bottom Groove
Medium Blue×2
Plate 2 x 2 Corner
Blue×2
Plate 2 x 2 Corner
Light Gray×2
Hinge Plate 1 x 4 Swivel (2429 / 2430)
Blue×2
Hinge Plate 1 x 4 Swivel (2429 / 2430)
Black×2
Tile 1 x 4
Blue×2
Bracket 1 x 2 - 1 x 4
Blue×4
Plate, Modified 2 x 2 with Pin on Bottom, Small Holes in Plate and Locking Fingers on Underside
Light Gray
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
Orange×4
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
Red
Plate, Modified 1 x 2 with Bar Handle on Side - Free Ends
Dark Gray
Tile, Modified 1 x 1 with Clip
Orange×2
Plate, Round 2 x 2 with Rounded Bottom (Boat Stud)
Light Gray
Brick 2 x 2
Blue×2
Plate, Modified 2 x 2 with Bar Frame Octagonal
Dark Gray×2
Brick 1 x 1
Medium Blue×2
Brick 1 x 4
Medium Blue×2
Plate 2 x 4
Blue×8
Plate 2 x 4
Dark Gray×4
Plate 2 x 3
White×2
Plate 2 x 3
Orange
Plate 2 x 3
Blue×9
Plate 2 x 3
Dark Gray×3
Plate 2 x 3
Black×3
Plate 2 x 2
White
Plate 2 x 2
Orange×4
Plate 2 x 2
Blue×2
Plate 2 x 2
Light Gray×2
Plate 2 x 2
Dark Gray
Plate 1 x 2
White×4
Plate 1 x 2
Red
Plate 1 x 2
Blue×4
Plate 1 x 2
Light Gray×2
Plate 1 x 2
Dark Gray
Plate 1 x 2
Black×4
Plate 1 x 1
Light Gray×2
Plate 4 x 4
Dark Gray
Plate 2 x 8
Black×2
Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End
Blue×4
Hinge Brick 1 x 2 Locking with 2 Fingers Vertical End
Dark Gray×2
Hinge Plate 1 x 2 Locking with 1 Finger on Top
Black×4
Hinge Brick 1 x 2 Locking with 1 Finger Vertical End and 2 Fingers Vertical End
Light Gray×4
Hinge Brick 1 x 4 Locking with 1 Finger Vertical End and 2 Fingers Vertical End
Light Gray×4
Hinge Brick 2 x 2 Locking with 1 Finger Vertical and Axle Hole
Light Gray
Slope 45 2 x 2
Blue×4
Slope 45 2 x 2
Trans-Clear
Slope 45 2 x 1
Dark Gray×4
Brick, Modified 1 x 4 with Studs on Side
Dark Gray×3
Slope 45 2 x 1 Double / Inverted without Bottom Tube or Bottom Stud Holder
Dark Gray×2
Hinge Brick 1 x 2 Locking with 2 Fingers Horizontal End
Black×2
Hinge Cylinder 1 x 3 Locking with 1 Finger and 2 Fingers on Ends without Hole
Black×4
Brick, Modified 2 x 4 with Pin on Top and Side Cutouts
Light Gray
Slope, Curved 2 x 2 Lip
Orange
Brick, Round 1 x 1
Black×2
Tile 2 x 2
Blue×3
Tile 2 x 2
Light Gray
Tile 1 x 2
Orange×4
Tile 1 x 2
Blue×2
Plate, Modified 2 x 3 with Hole
Blue×2
Plate, Modified 2 x 3 with Hole
Light Gray×2
Technic, Plate 2 x 6 with 5 Holes
Blue
Wedge, Plate 4 x 6 Cut Corners
Black
Slope 33 3 x 2
Medium Blue×3
Engine, Smooth Small, 1 x 2 Side Plate with Axle Holders
Black×2
Plate 1 x 3
White×2
Slope, Inverted 45 2 x 2 with Flat Bottom Pin
Blue×3
Plate 1 x 6
Blue
Slope, Inverted 45 2 x 2 Double Convex
Dark Gray×2
Slope 65 2 x 2 x 2 without Bottom Tube
Blue
Turntable 2 x 2 Plate with Light Gray Top (3680 / 3679)
Blue
Technic, Brick 1 x 2 with Hole
Blue×3
Technic, Brick 1 x 2 with Hole
Dark Gray
Technic, Plate 2 x 4 with 3 Holes
Black
Plate 1 x 4
White×3
Plate 1 x 4
Orange×2
Plate 1 x 4
Blue×6
Plate 1 x 4
Light Gray
Plate 1 x 4
Dark Gray
Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)
Orange×2
Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)
Light Gray
Plate 2 x 6
Blue
Plate 2 x 6
Light Gray
Plate, Modified 1 x 2 with Bar Handles - Flat Ends, Low Attachment
Blue×2
Plate, Modified 1 x 2 with Bar Handles - Flat Ends, Low Attachment
Black×3
Hinge Brick 1 x 2 Base
Black×2
Hinge Brick 1 x 2 Top Plate
Blue×2
Antenna 4H - Round Top
Chrome Silver×2
Brick, Modified 1 x 1 with 3 Loudspeakers / Space Positioning Rockets
Dark Gray×2
Brick, Modified 1 x 1 with Headlight
Blue×4
Plate, Round 1 x 1
White×3
Plate, Round 1 x 1
Orange×5
Plate, Round 1 x 1
Dark Gray×3
Plate, Round 1 x 1
Trans-Clear×3
Plate, Round 1 x 1
Trans-Red×3
Plate, Modified 1 x 1 with Light Attachment - Thick Ring
Blue×2
Plate, Modified 1 x 1 with Light Attachment - Thick Ring
Light Gray×2
Plate, Modified 1 x 1 with Light Attachment - Thick Ring
Dark Gray×2
Plate, Modified 1 x 1 with Light Attachment - Thick Ring
Black×2
Plate, Modified 1 x 1 with U Clip Thick (Vertical Grip)
Blue
Plate, Modified 1 x 1 with U Clip Thick (Vertical Grip)
Black×2
Hinge Cylinder 1 x 3 Locking with 1 Finger and Pin with Round Hole and Friction Ridges on Ends
Black×4
Vehicle, Mudguard 2 x 4 with Flared Wings
Medium Blue×4
Slope, Curved 2 x 2 x 2/3 with 2 Studs and Curved Sides, Lip End
Medium Blue×6
Plate, Modified 2 x 2 with Vents
Blue
Plate, Modified 2 x 2 with Vents
Dark Gray
Plate, Modified 2 x 2 with Vents
Medium Blue×2
Technic, Pin 1/2 without Friction Ridges
Light Gray×3
Dish 6 x 6 Inverted (Radar) Webbed - Type 2 (Underside Attachment Positions at 90 degrees)
Black
Slope 33 3 x 1
Blue×4
Minifigure, Utensil Camera with Side Sight (Space Gun)
Black
Wedge 4 x 2 Triple Left
Blue×2
Wedge 4 x 2 Triple Right
Blue×2
Wedge, Plate 4 x 4
Black×2
Wedge 4 x 2 Sloped Right
Dark Gray×2
Wedge 4 x 2 Sloped Left
Dark Gray×2
Wedge, Plate 3 x 2 Right
Light Gray
Wedge, Plate 3 x 2 Right
Medium Blue
Wedge, Plate 3 x 2 Left
Light Gray
Wedge, Plate 3 x 2 Left
Medium Blue
Hinge Plate 1 x 2 Locking with 1 Finger on End with Bottom Groove
Light Gray×4
Hinge Plate 1 x 2 Locking with 2 Fingers on End
Light Gray×4
Cone 1 x 1
Dark Gray×2
Antenna Small Base with Black Lever (4592 / 4593)
White×3
Wedge 4 x 4 Triple Inverted with Connections between 2 Studs
Dark Gray
Wedge, Plate 3 x 4 without Stud Notches
Blue×4
Wedge, Plate 3 x 4 without Stud Notches
Light Gray
Wedge, Plate 3 x 4 without Stud Notches
Black×2
Slope 45 3 x 4 Double / 33
Blue
Slope 45 3 x 4 Double / 33
Dark Gray×2
Slope, Inverted 45 4 x 2 Double with 2 x 2 Cutout
Blue
Brick, Round 2 x 2 Dome Top without Bottom Axle Holder
Light Gray
Minifigure, Weapon Harpoons, 2 on Sprue
Chrome Silver
Wedge 4 x 4 Triple without Stud Notches
Dark Gray×2
Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud
Blue×4
Slope, Curved 2 x 1 x 1 1/3 with Recessed Stud
Medium Blue×2
Slope, Curved 3 x 2 with 4 Studs
Blue×2
Technic, Brick 1 x 1 with Hole
Light Gray×2
Wedge 3 x 2 Right
Medium Blue
Wedge 3 x 2 Left
Medium BlueCommon questions about Robobots
How much is LEGO Robobots (4099-1) worth?
Robobots sells for an average of $30.00 used and $53.16 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.
Is LEGO Robobots (4099-1) retired?
Yes, Robobots was released in 2003 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.
How do I check if my Robobots set is complete?
Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.