Lego® Technic 42178 Surface Space Loader LT78

The Lego set Surface Space Loader LT78 with the set number 42178 is part of the LEGO Technic theme and is recommended for ages 8+. It was released in March 2024. The model has 435 pieces, and we estimate it takes around 1 hour to build. 66 Brickfact users have this set in their collection.
The set weighs about 0.701 kg. The box measures 28.2 x 26.2 x 7.6 cm. The recommended retail price is £29.99.
The Part-Out-Value (POV) is the sum of the average prices paid on bricklink.com for all parts of this set. It is about £33.60.

Lego 42178 product data

Set Information

Set ID
42178
Theme
Pieces
435
Building Time
1 hour
Age Range
8+

Availability

Release
03/2024
Retiring Status
Retired (12/2025)

Price Information

RRP
£29.99
Insiders Points (for purchase at Lego)
240
Part Out Value
£33.60
i

Packaging

Weight
0.701 kg
EAN (GTIN13)
5702017584126

Popularity with Brickfact users

users have this set
66
buyers in the last 12 months
15

66 Brickfact users have Surface Space Loader LT78 in their collection. 15 users bought it in the last 12 months.

Based on anonymized Brickfact user collections; shown only for sets with at least 10 users. As of 1 November 2026.

Lego 42178 price trend

Average sale price on secondary marketplaces – not the new price at retailers.

Current market value
£19.88
Growth vs. RRP
−33.7 % £29.99
Range
£17.58 – £20.59
Average
£19.54

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Official Set Description for LEGO 42178 Surface Space Loader LT78

Inspire kids aged 8+ to adventure into outer space with the LEGO® Technic™ Surface Space Loader LT78 (42178) set. It makes a great gift for boys and girls who love space toys and construction vehicles.
This space exploration toy is packed with realistic details inspired by cutting-edge space engineering designs. Kids can steer the loader and raise the cabin before using the crane to pick up and move the cargo. This set also features a special space air-lock element so kids can connect other compatible space LEGO sets (sold separately) for even more space adventures.
The LEGO Builder app will guide your youngster on an intuitive building adventure, letting them zoom in and rotate models in 3D, save sets and track their progress.
  • Space vehicle for kids aged 8+ – This space exploration toy for boys and girls features steering, a raising and lowering function, a crane and an operator’s cab for hours of imaginative play
  • Raise and lower the crane – Kids can raise the operator’s cab and raise and lower the crane to pick up and move the cargo
  • Adapt to different terrains – Young space explorers can put the loader to the test as they imagine what it would be like to live and work on another planet
  • A gift idea for kids – This set makes a fun gift for boys and girls who love building space vehicle toys
  • Air lock connects to other models – A special space air-lock element lets kids connect other compatible space-themed LEGO® gifts (sold separately) for more adventures
  • Intuitive instructions – The LEGO® Builder app guides your youngster on an intuitive building adventure with tools that let them zoom in and rotate models in 3D, save sets and track their progress
  • Measurements – 435-piece set with a model measuring over 3.5 in. (9 cm) high, 8 in. (20 cm) long and 7 in. (19 cm) wide

Building Instruction for LEGO 42178 Surface Space Loader LT78

LEGO 42178 Frequently Asked Questions

Is LEGO 42178 still available?
LEGO has retired 42178 Surface Space Loader LT78, and no retailer in our price comparison currently sells it new. Its market value on secondary marketplaces is £19.88.

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