LEGO 31378
Space Exploration Telescope

LEGO 31378 Space Exploration Telescope box image
Set number
31378
Theme
Creator 3-in-1
Pieces
278 pcs
Year
2026
Used & parts
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“Space Exploration Telescope” is LEGO® “Creator 3-in-1” theme set number 31378. Released in 2026, it has 278 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 102 types

Color split (most first)
Black×134
White×58
Blue×18
Dark Azure×15
Light Bluish Gray×14
Dark Bluish Gray×8
Trans-Clear×7
Red×4
Dark Blue×4
Yellow×3
Tan×3
Pearl Gold×3
Main parts (most used first)
85080 Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]
White · ×28
2431 Tile 1 x 4 with Groove
Black · ×12
11090 Bar Holder with Clip
Black · ×10
85861 Plate Round 1 x 1 with Open Stud
Black · ×9
32123b Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Blue · ×8
15068 Slope Curved 2 x 2 x 2/3
Black · ×6
3023 Plate 1 x 2
Black · ×6
3460 Plate 1 x 8
Black · ×6
60478 Plate Special 1 x 2 with Handle on End [Closed Ends]
Light Bluish Gray · ×6
60897 Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip]
Black · ×6
24593 Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout
White · ×5
26604 Brick Special 1 x 1 with Studs on 2 Adjacent Sides
Black · ×5
54200 Slope 30° 1 x 1 x 2/3 (Cheese Slope)
Black · ×5
73230 Technic Brick 1 x 1 with Axle Hole
Dark Azure · ×5
87618 Bar 5L with Handle (Friction Ram)
Black · ×5
3024 Plate 1 x 1
White · ×4
30565 Plate Round Corner 4 x 4
Dark Blue · ×4
48092 Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs
Black · ×4
48092 Brick Round Corner 4 x 4 Macaroni Wide with 3 Studs
Blue · ×4
85080 Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style]
Black · ×4
92947 Brick Round 2 x 2 [Grill]
Black · ×4
10197 Technic Pin Connector Hub with 2 Perpendicular Axles
Dark Bluish Gray · ×3
11477 Slope Curved 2 x 1 No Studs [1/2 Bow]
Light Bluish Gray · ×3
18651 Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle
Black · ×3

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