The 1991 Star Trek Hamilton Presents Sulu, Andorian, and Spock Action Figures are collectible figures based on characters from the Star Trek franchise. Here's a description of these action figures: 

**Sulu Action Figure:**

- **Character:** The Sulu action figure represents Hikaru Sulu, a character portrayed by George Takei in the original Star Trek series. Sulu is the helmsman of the USS Enterprise.

- **Appearance:** The Sulu figure features a detailed sculpt meant to resemble George Takei and captures his appearance, including his Starfleet uniform and distinctive Starfleet insignia.

- **Uniform:** Sulu's action figure is dressed in his Starfleet uniform, which typically includes a communicator badge.

- **Articulation:** These figures from the early '90s often have limited articulation, usually with movable arms and legs.

**Andorian Action Figure:**

- **Character:** The Andorian action figure represents a member of the Andorian species, a blue-skinned and antennaed species known for their appearances in the original Star Trek series.

- **Appearance:** The Andorian figure is designed to resemble the unique look of Andorians, including their blue skin, white hair, and distinctive antennae.

- **Uniform:** Andorians in the Star Trek universe are not typically seen wearing Starfleet uniforms, so this figure may be dressed differently.

- **Articulation:** Like the other figures from this era, articulation is limited.

**Spock Action Figure:**

- **Character:** The Spock action figure represents the iconic character Mr. Spock, portrayed by Leonard Nimoy in the original Star Trek series and movies.

- **Appearance:** The Spock figure features a detailed sculpt that captures Leonard Nimoy's likeness and the Vulcan character's distinctive features, including his Vulcan ears.

- **Uniform:** Spock's figure is dressed in his Starfleet uniform, complete with the communicator badge.

- **Articulation:** As with the other figures from the early '90s, articulation is limited, typically allowing for movement in the arms and legs.

**Collectible Value:**

- Action figures like these from the early '90s hold nostalgia and collectible value, particularly for Star Trek fans and collectors. They are sought after by enthusiasts looking to expand their Star Trek memorabilia collections.

The 1991 Star Trek  Sulu, Andorian, and Spock Action Figures provide fans and collectors with the opportunity to own detailed representations of iconic characters from the Star Trek universe. They are not only nostalgic and collectible items but also pay homage to the enduring popularity of the original Star Trek series and its beloved characters.