Blast to the Past!
Classic Space Sonar Cruiser is back!

Relive 1986 with this iconic set, featuring 348 pieces and 3 classic minifigs. A nostalgic build for LEGO space fans!

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🏛 Classic Space
Set #6783

Sonar Transmitting Cruiser

The Sonar Transmitting Cruiser is a quintessential Classic Space vehicle.

🏆 Best For: Ideal for Classic Space fans and those seeking a nostalgic building experience. ⏱ 4.5 hr build 🧩 348 pcs
★★★★☆ 4.3

Fans appreciate the nostalgic design and the iconic Classic Space minifigures. Some find the build simple compared to modern sets, but overall, it's considered a great representation of the 1980s LEGO era.

MSRP
$49.99
Best Price
$1234.18
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📝 Our Take

The Sonar Transmitting Cruiser is a quintessential Classic Space vehicle. Released in 1986, its sleek white and black design, coupled with trans-red highlights, embodies the futuristic aesthetic that defined the era. The inclusion of three minifigures, including a blue droid, adds to its playability and collectibility.

This set is perfect for LEGO enthusiasts nostalgic for the 1980s Classic Space theme. The build offers a satisfying experience, blending simple construction with iconic design elements. Its moderate piece count makes it manageable for builders of varying skill levels, while its display value is undeniable.

Skip this if you prefer modern, highly detailed LEGO sets with complex building techniques. While charming, the Sonar Transmitting Cruiser's simplicity might not appeal to those seeking a more challenging build. Consider newer Space-themed sets like the Galaxy Explorer (10497-1) for a more contemporary experience.

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🧱 Building Experience

🧩
348
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
Build Highlights:
  • Classic Space color scheme and design
  • Use of hinge plates for angled wings
  • Integration of transparent elements for a futuristic look
  • Sturdy construction suitable for play and display

📈 Investment Analysis

↑ Trending up since release
B+
Investment Grade
⏳ Appreciating
The Sonar Transmitting Cruiser presents a solid investment opportunity, driven by the enduring popularity of the Classic Space theme and its relatively low production numbers. As a set from 1986, it is becoming increasingly scarce in good condition. Its piece count and iconic design contribute to its collectibility. While the price has already appreciated significantly, the continued interest in vintage LEGO sets suggests further potential growth. However, condition is crucial, and prices for incomplete or damaged sets will be significantly lower. The rising price trend indicates strong demand, making it a worthwhile consideration for investors.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

Compared to modern LEGO Space sets, the Sonar Transmitting Cruiser offers a simpler, more nostalgic building experience. While lacking the intricate details of newer sets like the Galaxy Explorer (10497-1), it captures the essence of the Classic Space theme. Its smaller size and lower piece count make it a more accessible option for casual collectors, while its vintage status adds to its appeal. For those seeking a more complex build, the Galaxy Explorer might be a better choice, but for Classic Space purists, the Sonar Transmitting Cruiser is a must-have.

3 Minifigures Included

The set includes three iconic Classic Space minifigures: a red spaceman, a yellow spaceman, and a blue droid. These figures are highly sought after by collectors and contribute significantly to the set's overall value.

📦 Full Parts Inventory - 92 unique parts • 348 total pieces

Plate Special 2 x 2 with Wheels Red Plate Special 2 x...
Part #: 122c01 Black
Wing, Tail 4 x 1 x 3 Wing, Tail 4 x 1 x 3
Part #: 2340 Black
Equipment Control Panel Equipment Control...
Part #: 2342 White
Equipment Control Panel Equipment Control...
Part #: 2342 Black
Panel 3 x 3 x 6 Corner Wall Panel 3 x 3 x 6 C...
Part #: 2345 White
Lever Small Base with Black Lever Lever Small Base ...
Part #: 298c02 Black
Brick 2 x 3 Brick 2 x 3
Part #: 3002 Black
Brick 2 x 3 Brick 2 x 3
Part #: 3002 White
Brick 2 x 3 without Cross Supports Brick 2 x 3 witho...
Part #: 3002a Black
Brick 2 x 2 Brick 2 x 2
Part #: 3003 White
Brick 2 x 2 without Inside Ridges Brick 2 x 2 witho...
Part #: 3003a White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 10× White
Brick 1 x 1 Brick 1 x 1
Part #: 3005 12× White
Brick 1 x 6 Brick 1 x 6
Part #: 3009 White
Brick 1 x 6 without Bottom Tubes, with 2 Raised Cross Supports Brick 1 x 6 witho...
Part #: 3009a White
Brick 1 x 6 with Bottom Tubes and 2 Lowered Cross Supports Brick 1 x 6 with ...
Part #: 3009b White
Brick 1 x 4 Brick 1 x 4
Part #: 3010 White
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support Brick 1 x 4 with ...
Part #: 3010a White
Brick 1 x 4 with Bottom Tubes, Lowered Center Cross Support with Black 15 Bars Grill Print Brick 1 x 4 with ...
Part #: 3010apr0004 White
Plate 2 x 4 Plate 2 x 4
Part #: 3020 White
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Black
Plate 2 x 3 Plate 2 x 3
Part #: 3021 17× White
Plate 2 x 2 Plate 2 x 2
Part #: 3022 15× White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 14× White
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Trans-Green
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Trans-Yellow
Plate 1 x 1 Plate 1 x 1
Part #: 3024 Trans-Red
Plate 1 x 1 Plate 1 x 1
Part #: 3024 White
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Black
Plate 2 x 8 Plate 2 x 8
Part #: 3034 White
Plate 6 x 8 Plate 6 x 8
Part #: 3036 Black
Slope 45° 2 x 2 with Black Grill Print Slope 45° 2 x 2 w...
Part #: 3039pr0009 White
Slope 45° 2 x 2 with Computer Screen Print Slope 45° 2 x 2 w...
Part #: 3039pr0026 White
Slope 45° 2 x 2 with 12 Buttons, 3 Red Lamps, Black Panel Print Slope 45° 2 x 2 w...
Part #: 3039pr9996 White
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b White
Slope 45° 2 x 1 with Bottom pin, with Orange Microphone Print Slope 45° 2 x 1 w...
Part #: 3040bpr0009 White
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b White
Tile 2 x 2 with Grill Black Print Tile 2 x 2 with G...
Part #: 3068bpr0031 White
Tile 2 x 2 with Arrow Thin Yellow with Black Border Print Tile 2 x 2 with A...
Part #: 3068bpr0032 White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b White
Tile 1 x 2 with Black Grill Print Tile 1 x 2 with B...
Part #: 3069bpr0022 White
Tile 1 x 2 with Arrow Long Yellow with Black Border Print Tile 1 x 2 with A...
Part #: 3069bpr0023 White
Hinge Plate 2 x 5 with Large Hole [Complete Assembly] Hinge Plate 2 x 5...
Part #: 3149bc01 White
Plate 1 x 8 Plate 1 x 8
Part #: 3460 White
Brick 1 x 3 Brick 1 x 3
Part #: 3622 White
Plate 1 x 3 Plate 1 x 3
Part #: 3623 White
Fence Lattice 1 x 4 x 1 Fence Lattice 1 x...
Part #: 3633 White
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 White
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Black
Plate 1 x 6 Plate 1 x 6
Part #: 3666 White
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 White
Plate 1 x 4 Plate 1 x 4
Part #: 3710 White
Slope Inverted 33° 3 x 2 [No Connections between Studs] Slope Inverted 33...
Part #: 3747a Black
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a White
Plate 2 x 6 Plate 2 x 6
Part #: 3795 White
Plate 2 x 10 Plate 2 x 10
Part #: 3832 White
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Plate Special 1 x...
Part #: 3839b Black
Wedge Plate 4 x 4 Wing Right Wedge Plate 4 x 4...
Part #: 3935 White
Wedge Plate 4 x 4 Wing Left Wedge Plate 4 x 4...
Part #: 3936 White
Hinge Brick 1 x 2 Base Hinge Brick 1 x 2...
Part #: 3937 White
Hinge Brick 1 x 2 Top Plate Thin Hinge Brick 1 x 2...
Part #: 3938 White
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Black
Cone 4 x 4 x 2, Axle Hole [Plain] Cone 4 x 4 x 2, A...
Part #: 3943b Black
Bracket 2 x 2 - 2 x 2 Bracket 2 x 2 - 2...
Part #: 3956 White
Antenna 1 x 4 with Rounded Top Antenna 1 x 4 wit...
Part #: 3957a Trans-Red
Weapon Gun / Torch (Space) [with Grooves] Weapon Gun / Torc...
Part #: 3959 Black
Equipment Radio [Compact Handle] Equipment Radio [...
Part #: 3962a Black
Brick Special 1 x 1 with 3 Speakers / Loudspeakers / Space Positioning Rockets Brick Special 1 x...
Part #: 3963 Black
Tool Screwdriver and Spanner / Wrench Tool Screwdriver ...
Part #: 4006 Black
Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) Plate Round 2 x 2...
Part #: 4032a Black
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 White
Plate Special 1 x 1 with Clip Vertical [Thin U Clip] Plate Special 1 x...
Part #: 4085b 10× White
Hinge Vehicle Roof 4 x 4 Hinge Vehicle Roo...
Part #: 4213 Trans-Dark Blue
Dish 6 x 6 Inverted, Radar / Webbed [No Anti-studs] Dish 6 x 6 Invert...
Part #: 4285a Black
Wheel Full Rubber Balloon with Axle hole Wheel Full Rubber...
Part #: 4288 Black
Hinge Vehicle Roof Holder 1 x 4 Hinge Vehicle Roo...
Part #: 4315 White
Hinge Vehicle Roof Holder 1 x 4 Hinge Vehicle Roo...
Part #: 4315 Black
Windscreen 6 x 4 x 2 Canopy Windscreen 6 x 4 ...
Part #: 4474 Black
Windscreen 6 x 4 x 2 Canopy Windscreen 6 x 4 ...
Part #: 4474 Trans-Dark Blue
Support 2 x 4 x 5 Stanchion Inclined [5mm wide posts] Support 2 x 4 x 5...
Part #: 4476b White
Brick Round 1 x 1 with Fins, Open Stud Brick Round 1 x 1...
Part #: 4588 Trans-Red
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 Black
Cone 1 x 1 [No Top Groove] Cone 1 x 1 [No To...
Part #: 4589 Trans-Red
Plate Special 1 x 4 Offset with Bar Holes Plate Special 1 x...
Part #: 4590 Black
Brick Special 1 x 2 x 2/3 with Studs on Sides Brick Special 1 x...
Part #: 4595 Black
Hinge Tile 1 x 4 Hinge Tile 1 x 4
Part #: 4625 White
Brick Special 2 x 2 with Pin and No Axle Hole Brick Special 2 x...
Part #: 4730 White
Bracket 8 x 2 x 1 1/3 Bracket 8 x 2 x 1...
Part #: 4732 Black
Bar 1 x 3 [Clip / Anti-Stud] Bar 1 x 3 [Clip /...
Part #: 4735 Black
Dish 2 x 2 Inverted [Radar] Dish 2 x 2 Invert...
Part #: 4740 Trans-Red
Plate 2 x 4 with Electric Contacts Plate 2 x 4 with ...
Part #: 4757 White
Plate 2 x 8 with Electric Contacts Plate 2 x 8 with ...
Part #: 4758 White
Battery Box, 9V Small [Complete Assembly] Battery Box, 9V S...
Part #: 4760c01 White
Light Brick 1 x 2 [Single Bulb] Light Brick 1 x 2...
Part #: 4767 White
Brick Round 1 x 1 x 2/3 Light Bulb Cover Brick Round 1 x 1...
Part #: 4770 Trans-Green
Brick Round 1 x 1 x 2/3 Light Bulb Cover Brick Round 1 x 1...
Part #: 4770 Trans-Red
Light Brick 1 x 4 [Two Bulbs] Light Brick 1 x 4...
Part #: 4771 White
Sound Brick, Round, 9V 2 x 2 x 1 1/3 with Two Space Noises Sound Brick, Roun...
Part #: 4774c02 White
Wedge Sloped Inverted 6 x 4 with 2 Stud Connections Wedge Sloped Inve...
Part #: 4856a White
Wedge Sloped 4 x 4 Taper with Classic Space Print Wedge Sloped 4 x ...
Part #: 4858pr0003 White
Wedge Plate 3 x 4 without Stud Notches Wedge Plate 3 x 4...
Part #: 4859 Black
Wedge Plate 3 x 4 without Stud Notches Wedge Plate 3 x 4...
Part #: 4859 White
Engine Smooth Large, Cone Back [1 x 2 Thin Top Plate] Engine Smooth Lar...
Part #: 4868a White
Flexible Hose 8.5L with Tabless Ends (Ends same color as Tube) Flexible Hose 8.5...
Part #: 73590c01a Black
The set features a good selection of white and black plates and bricks, typical of the Classic Space theme. The printed arrow tiles and flexible hoses are useful for MOC builders looking to recreate the classic aesthetic.

🛒 Where to Buy

💎 Notable Parts

White Plate Special 1 x 1 with Clip Vertical [Thin U Clip] (10x) $1.50
Black Flexible Hose 8.5L with Tabless Ends (Ends same color as Tube) (6x) $3.00
White Tile 1 x 2 with Arrow Long Yellow with Black Border Print (6x) $9.00
White Panel 3 x 3 x 6 Corner Wall (8x) $16.00
Black Plate Special 1 x 4 Offset with Bar Holes (8x) $15.90
Est. BrickLink Part Value
$45.40

💡 MOC Potential

🚀 Modular space station extensions
🚢 Smaller support vehicles for the cruiser
🏙 Futuristic city modules in the Classic Space style

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Charts Inventory Statistics

92
Unique Parts
348
Total Pieces
3
Minifigures
Inventory Version: 1