LEGO Creator 31378 Space Exploration Telescope

Specifications
| Set number | 31378 |
|---|---|
| Release year | 2026 |
| Piece count | 278 |
| Minifigures | 0 |
| Theme | Creator |
| Subtheme | Creator 3-in-1 |
| Building instructions | Download the instructions on lego.com |
Where to buy set 31378
Also on: Amazon.co.uk · Amazon.ca
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LEGO set 31378, Space Exploration Telescope, depicts a telescope connected with space exploration within the Creator theme.
Space Exploration Telescope brings an astronomy-related object into the Creator range. The model focuses on a telescope as a standalone build, linking the idea of observing the sky with space exploration rather than presenting a character-based scene or a licensed story setting.
It is suited to display, quiet space-themed play, or inclusion in a Creator collection. Within Creator 3-in-1, it fits among compact subject models built around a clearly identifiable object, instead of sets defined by vehicles, buildings, or minifigure-led scenes.
Inventory of set 31378
The inventory of set 31378 lists 278 pieces, spare parts excluded: 102 different lots (one shape in one color) for 90 part shapes. The box also contains 9 spare parts, for small elements that are easy to lose.
Colors of set 31378
Main color: black, making up 48% of the parts, followed by white (21%) and blue (6.5%).
| Color | Parts | Share | |
|---|---|---|---|
| Black | 134 | 48% | |
| White | 58 | 21% | |
| Blue | 18 | 6.5% | |
| Dark Azure | 15 | 5.4% | |
| Light Bluish Gray | 14 | 5% | |
| Dark Bluish Gray | 8 | 2.9% | |
| Trans-Clear | 7 | 2.5% | |
| Red | 4 | 1.4% | |
| Dark Blue | 4 | 1.4% | |
| Yellow | 3 | 1.1% | |
| Other colors (7) | 13 | 4.7% |
Part types
| Type | Parts | Share | |
|---|---|---|---|
| Bricks Round and Cones | 57 | 21% | |
| Plates | 29 | 10% | |
| Plates Round Curved and Dishes | 25 | 9% | |
| Bars, Ladders and Fences | 24 | 8.6% | |
| Plates Special | 24 | 8.6% | |
| Tiles | 14 | 5% |
Most common parts in set 31378
| Part | Color | Quantity |
|---|---|---|
| Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] 85080 | White | 28 |
| Tile 1 x 4 with Groove 2431 | Black | 12 |
| Bar Holder with Clip 11090 | Black | 10 |
| Plate Round 1 x 1 with Open Stud 85861 | Black | 9 |
| Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced 32123b | Blue | 8 |
| Brick Curved 2 x 2 x 2/3 15068 | Black | 6 |
| Plate 1 x 2 3023 | Black | 6 |
| Plate 1 x 8 3460 | Black | 6 |
| Plate Special 1 x 2 with Handle on End [Closed Ends] 60478 | Light Bluish Gray | 6 |
| Plate Special 1 x 1 with Clip Vertical [Thick Open O Clip] 60897 | Black | 6 |
83 of the 90 part shapes in this set have their own page on Setopedia, with their colors, element numbers and the other sets that use them. See all LEGO parts
Exclusive parts in set 31378
4 part shapes in set 31378 appear in no other set in the catalog, most often printed elements, stickers or molds specific to the model. If one gets lost, you will need to look for it individually, for example on BrickLink, rather than in another set. Counting colors, 6 lots in the set are not found in any other set.
| Part | Color |
|---|---|
| Glass for Window 1 x 2 x 2 Flat with Planet, Stars on Black Background print 60601pr0018 | Trans-Clear |
| Glass for Window 1 x 2 x 2 Flat with Stars on Black Background print 60601pr0020 | Trans-Clear |
| Glass for Window 1 x 2 x 2 Flat with Crescent Moon on Black Background print 60601pr0019 | Trans-Clear |
| Minifig Head, Globe, Bright Green Land print 28621pr0005 | Blue |
No similarly sized set supplies more than a quarter of its parts: set 31378 relies on a little-shared assortment.
Size of set 31378 within its line
With 278 pieces, set 31378 ranks #225 out of 543 Creator sets in our database, which have an average of 421 parts. Among the 558 sets released in 2026, it ranks #337.
Frequently asked questions
How many pieces does LEGO set 31378 Space Exploration Telescope have?
LEGO set 31378 Space Exploration Telescope has 278 pieces. It was released in 2026 as part of the Creator theme.
What year was LEGO set 31378 released?
Set 31378 Space Exploration Telescope was released in 2026 and belongs to the Creator theme.
Which minifigures are included in set 31378?
LEGO set 31378 Space Exploration Telescope does not include any minifigures.
Where can I find the building instructions for set 31378?
The instructions for LEGO set 31378 Space Exploration Telescope can be downloaded free as a PDF from the official lego.com website, under “Building Instructions”, by entering the number 31378.
What is the main color of LEGO set 31378?
Black, with 134 out of 278 pieces, or 48%. Next come white (21%) and blue (6.5%).
How many different parts does set 31378 contain?
Set 31378 has 102 different lots (one shape in one color), covering 90 part shapes. Most common part: Brick Round Corner 2 x 2 Macaroni with Stud Notch and Reinforced Underside [New Style] in white, with 28 copies.
Does LEGO set 31378 contain any exclusive parts?
Yes: 4 part shapes exist in no other set, for example: Glass for Window 1 x 2 x 2 Flat with Planet, Stars on Black Background print.
Does the French Amazon title describe the LEGO set itself?
No. The supplied title refers to a compatible LED lighting kit and explicitly says it is not the model.
See also
Sets from the same theme
31379 Fierce Dinosaur2026 · 283 pieces
31391 Art Fashion Bag with Storage2026 · 272 pieces
31383 Floral Decor Perfume Bottle2026 · 286 pieces
31380 Retro Gaming Console2026 · 268 pieces
40885 Duck Family2026 · 262 pieces
31394 Cute Animals: Red Panda2026 · 297 pieces
40953 London Bus2026 · 245 pieces
31384 Wild Animals: Colorful Hummingbird2026 · 312 pieces
Sets from the same year
40954 Germany Postcard2026 · 240 pieces
31382 Cute Animals: Playful Puppy Dog2026 · 336 pieces
31390 Floral Art Decor Painting2026 · 348 pieces
31381 Fierce Shark with a Treasure Chest2026 · 379 pieces
31376 Cute Hamster with a Flower2026 · 166 pieces
31377 Turtle with a Water Lily Flower2026 · 124 pieces
30714 Orange Cat2026 · 79 pieces
951443 Car2026 · 76 pieces
