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Sonic Robot

6750-1·Space·1986·2 minifigs·43 parts

Used Avg

$83.33

New Avg

$374.23

Add to your inventory Scan the minifigs

About Sonic Robot

Sonic Robot (6750-1) is a LEGO Space set released in 1986, currently averaging $83.33 used on BrickLink. It comes with 2 minifigures worth a combined $14.52. The set has retired from retail, so secondary market is the only option. The full parts inventory runs 43 pieces.

Part-out value

The minifigures make up only 17% of this set's value ($14.52 out of $83.33). The bulk of the value is in the parts or the set being complete. Sell it as a complete set if possible.

Seller notes

Sealed copies sell for $374.23 vs $83.33 used — a 349% premium. If you have this set new in sealed box (NISB), price it accordingly.
This is a vintage set (1986). Condition of the box and instructions significantly affects value. A complete set with original box and instructions can sell for well above the average.

Minifigures in Sonic Robot (2)

Classic Space - Blue with Air Tanks

sp004$9.01

Classic Space - Red with Air Tanks

sp005$5.52

Parts (43)

Brick 1 x 2 with Black Grille with 7 Vertical Lines Pattern

Plate 2 x 3

×4

Plate 1 x 2

×5

Plate 1 x 1

×2

Plate 1 x 1

×3

Slope 45 2 x 1

×2

Tile 2 x 2 with Arrow Thin Yellow with Black Border Pattern

×2

Tile 1 x 2

×2

Tile 1 x 2 with Yellow Arrow Long with Black Outline Pattern

×2

Arm Piece Straight with 2 and 3 Fingers

×8

Arm Piece with Tow Ball Socket, 3 Fingers

×2

Plate 1 x 3

×2

Slope, Inverted 45 2 x 2 with Flat Bottom Pin with Green Computer Screen on White Background, Red, Green, and Yellow Buttons on Right Side Pattern

Turntable 2 x 2 Plate with Light Gray Top (3680 / 3679)

Plate, Modified 1 x 2 with 1 Stud without Groove (Jumper)

×3

Plate 2 x 6

Bracket 2 x 2 - 2 x 2 with 2 Holes

×4

Antenna 4H - Round Top

×2

Plate 6 x 6

Brick, Modified 1 x 1 with 3 Loudspeakers / Space Positioning Rockets

×2

Plate, Round 2 x 2 with Axle Hole

×2

Plate, Modified 1 x 1 with Open O Clip Thin (Vertical Grip)

×2

Slope, Inverted 33 3 x 2 Hollow with Tow Ball (Arm Piece)

×2

Arm Grab Jaw Holder

×2

Arm Grab Jaw

×4

Engine, Strakes, 2 x 2 Thin Top Plate

×4

Slope 33 3 x 1

×2

Minifigure, Utensil Loudhailer / Megaphone / SW Blaster

×4

Brick, Round 1 x 1 with Fins

×2

Cone 1 x 1

×2

Antenna Small Base with Black Lever (4592 / 4593)

×4

Bracket 3 x 2 - 2 x 2 Inverted (Space Seat)

×2

Bar 1 x 3 with Clip and Stud Holder (Robot Arm)

×2

Electric Plate 2 x 4 with Contacts

Electric Plate 2 x 8 with Contacts

Electric 9V Battery Box Small Assembly

Electric, Light Brick 1 x 2 with Lamp on Top

Electric, Light Bulb Cover (Colored Globe)

×2

Electric, Light Bulb Cover (Colored Globe)

×2

Electric, Light Bulb Cover (Colored Globe)

×2

Electric, Sound Siren 9V 2 x 2 x 1 1/3 with 2 Space Noises

Hose, Flexible 8.5L with (Same Color) Tabless Ends

×2

Arm Holder Brick 2 x 2 with Round Top Hole with Arm (792 / 793 / 795)

×2

Common questions about Sonic Robot

How much is LEGO Sonic Robot (6750-1) worth?

Sonic Robot sells for an average of $83.33 used and $374.23 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.

What minifigures come in LEGO set 6750-1?

This set includes 2 minifigures: Classic Space - Blue with Air Tanks ($9.01), Classic Space - Red with Air Tanks ($5.52). The minifigures have a combined BrickLink value of $14.52. Each figure is linked above with individual pricing if you're looking to buy or sell specific characters.

Is it worth parting out LEGO Sonic Robot?

The minifigures make up about 17% of the set value ($14.52 out of $83.33). Most of the value is in the complete set package, so selling it whole is likely the better move unless you have buyers lined up for specific figures.

Is LEGO Sonic Robot (6750-1) retired?

Yes, Sonic Robot was released in 1986 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 Sonic Robot set is complete?

Use the parts list on this page to check every piece and all 2 minifigures. 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.

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