The "Life is a Journey" wooden plank set of 3 decor seems like a charming addition to any living space. Here are some possible features and details based on the name:

1. Material: Crafted from sturdy wood, ensuring durability and a rustic aesthetic.

2. Design: Each plank could be adorned with unique designs or motifs symbolizing different aspects of life's journey, such as a winding road, a compass, or landmarks representing milestones.

3. Size: The dimensions of each plank might vary, offering versatility in arrangement and placement.

4. Message: The phrase "Life is a Journey" could be prominently displayed on one plank, serving as the focal point and encapsulating the theme of the decor set.

5. Finish: The planks could feature a distressed finish for a vintage look or a smooth, polished surface for a more modern appeal.

6. Mounting: They might come with pre-installed hardware for easy hanging, allowing for effortless display on walls or other surfaces.

7. Packaging: The set could be packaged securely to prevent damage during shipping, ensuring that it arrives in pristine condition.

Overall, this decor set could serve as both an aesthetic enhancement and a source of inspiration, reminding viewers to embrace life's journey and cherish every moment along the way.