If you have a rabbit doe that doesn't instinctively build her own nest, you can create a nest box to provide a suitable nesting area for her. Here's how you can make a rabbit nest box:

1. Select a suitable box: Choose a sturdy, spacious, and clean box that is large enough for the doe and her kits to comfortably fit in. A wooden or plastic box with dimensions around 18-24 inches long, 12-15 inches wide, and 10-12 inches deep should work well.

2. Line the box: Place a layer of soft bedding material at the bottom of the box. Suitable bedding options for a rabbit nest include straw, hay, shredded paper, or a combination of these materials. Ensure that the bedding is clean, dry, and free from any potential hazards or sharp objects.

3. Create a cozy nest area: In one corner of the box, create a shallow depression in the bedding material. This will serve as the nest area where the doe can gather her kits. Make the depression slightly larger than the size of the doe to accommodate her and the kits comfortably.

4. Provide additional nesting materials: Place extra nesting materials, such as straw or hay, within the nest area. This will allow the doe to further arrange the materials to her liking and provide additional insulation and comfort for the kits.

5. Place the nest box in a quiet area: Position the nest box in a quiet and secluded area of the rabbit's living space. This will provide privacy and reduce disturbances, allowing the doe to feel secure while caring for her kits.

6. Monitor the nest: Keep an eye on the nest box to ensure that it remains clean, dry, and free from any potential hazards. Replace soiled or wet bedding as needed to maintain a healthy and comfortable environment for the doe and kits.

Remember, some rabbit does may not display strong nesting instincts or may require assistance in the nest-building process. By providing a suitable nest box and nesting materials, you can help create a safe and cozy environment for the doe and her kits.