Creator 3-in-1

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Space Exploration Telescope (31378)

LEGO Space Exploration Telescope (31378)
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Boys and girls ages 8 and up can indulge their passion for science and space with this LEGO® Creator 3 in 1 Space Exploration Telescope (31378) building set. This detailed STEM toy offers 3 different building options with the same set of bricks.

Kids can choose to build an adjustable telescope toy on a tripod with a solar system model featuring the sun and 7 planets that can be spun around. This can be rebuilt into an adjustable microscope toy or a UFO model with posable antennae and legs that flip out to display it.

Each space toy includes a light brick (batteries included), which kids can activate by pushing a button to project images from the telescope onto a surface, illuminate images on the microscope or beam a light from underneath the UFO. There are 3 interchangeable decorated lenses, with images of a planet, a star and the Moon to project from the telescope or view inside the microscope.
 
This is the cheapest delivered at home option for The Netherlands for € 40.94
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Pricing Info

Current price ↑ € 5.00
€ 34.99
Lego retail price 12.59 ct/brick € 34.99
Lowest price ever€ 29.99
Half-Year Low € 29.99
Highest price ever€ 42.99
Price is equal to the initial Lego retail price!
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Lego Set price development

Current pricing since May 6th 2026
Amazon pricing is not included in price tracking/graph

Set price per store

Delivered to Netherlands
Store Name Description Rating Changed Price Delivered Changed
Telescoop voor ruimteverkenning
 4.0-
Dec 02, 2025
€ 34.99€ 40.94-
Dec 02, 2025
~ means with approximated delivery cost and VAT differences, as the actual delivery costs might vary due to item weight and/or dimensions.
Prices and availability may have changed since the last update. Order is purely based on price, compensation by partners has no influence whatsoever on this. Only with equal prices can historical performances influence the order.

Lego Set price development

Current pricing since May 6th 2026
Amazon pricing is not included in price tracking/graph

Details

Set Title

LEGO 31378 Space Exploration Telescope

Alternate description
LEGO® Creator 3 in 1 rebuildable space and science toy
Pieces
278
Ages
8+
Theme
Creator 3-in-1
Monitoring since
December 2025
Building instructions
Download the building instructions for the Lego Space Exploration Telescope (31378)
EAN
5702018054727
Shortlink
brickwat.ch/31378

User comments about Space Exploration Telescope (31378)

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Themes

Creator 3-in-1

Space Exploration Telescope 31378 Features

  • 3 IN 1 STEM TOY – LEGO® Creator 3 in 1 Space Exploration Telescope (31378) building toy lets boys and girls ages 8 plus build and rebuild 3 different space and science toys with the same bricks
  • ENDLESS PRETEND PLAY OPTIONS – Kids can play out stories with 3 STEM building toys (models cannot be built simultaneously): a telescope toy with a solar system model, a microscope toy or a UFO model
  • LIGHT BRICK – Push a button on each space toy to activate a light brick (batteries included): the telescope projects images, the microscope illuminates images and the UFO shines a beam
  • 3 LENSES TO PROJECT AND VIEW – LEGO® space playset has 3 interchangeable decorated lenses, a planet, a star and the Moon, to project from the telescope on to a surface or view inside the microscope
  • DIMENSIONS – This 278-piece imagination toy set features a telescope toy measuring over 10.5 in. (27 cm) at its highest, 5 in. (12 cm) at its longest and 7.5 in. (19 cm) wide

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