From the website:
Pre-order and unlock exclusive Star Trek villains miniatures for every wave of 500 Borg Cubes launched! Unleash Star Trek's most nefarious adversaries when you pre-order this limited edition.
MODIPHIUS ENTERTAINMENT PRESENT the Ultimate limited edition collectors set for YOUR Star Trek Adventures tabletop roleplaying game. this MASSIVE cube contains a whole host of accessories for the Star Trek Adventures game and includes the 368 page ‘1701-D’ collector's edition core rulebook. Modelled on the iconic adversaries, the Borg, the cube is 30cm cubed (yes that big!) an incredible limited edition product for hobby gamers and Star Trek fans alike worth over £530 / $690.