Star Trek Miniatures
There have been a number of ranges of Star Trek miniatures licenced for games.
Heritage Models produced a range of miniatures based on the original Star Trek series (need more info).
In the early 1980s Citadel Miniatures produced a small range of 25mm Star Trek miniatures and a few Starships.
Micro Machines are mini toys made by Galoob (now part of Hasbro). In the 1990s they made a number of box sets of Star Trek Star Ships which many gamers found useful for games.