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6894 Invader, released as 6894 Blacktron Cruiser in the United Kingdom, is a Blacktron set released in 1987.


The set contains a spaceship, a small robot, and a Blacktron Astronaut.

The spaceship consists of three modules that could be detached and recombined: The cockpit section, the cargo container in the middle and the drive section at the aft. The sections were also compatible to other Blacktron sets that used the same interfaces like 6954 Renegade, 6941 Battrax, or 6876 Alienator.

This is the only set that contained the black wall panel pieces printed with the Blacktron triangles.

Minifigures Included[]


  • Part 3004p03 comes in two sets. This is the only set in which it is black.
  • Part 2345p44 is unique to this set.
  • This is the only set in which Part 4865 is trans yellow.
  • Part 3039p33 comes in three sets.
  • Part 4858p01 comes in three sets.
  • This is one of three sets in which Part 2419 is trans red.
  • 40580 Blacktron Cruiser is a remake of this set released in 2023.


External links[]