The lifespan of homemade catnip toys can vary depending on the quality of the materials used, the durability of the toy, and how much your cat plays with it. Here are some factors that can impact how long homemade catnip toys last:

1. Quality of materials: The quality of the materials used to make the toy can have a big impact on its lifespan. If the materials are cheap or low quality, the toy may not hold up well over time. On the other hand, if you use high-quality materials, the toy may last longer.
2. Durability of the toy: Some homemade catnip toys may be more durable than others. For example, a felt fish toy may be more likely to hold up over time than a sock toy. Additionally, toys with strong stitching and reinforced seams are more likely to last longer.
3. How much your cat plays with it: The more your cat plays with the toy, the more wear and tear it will experience. If your cat is particularly rough on toys, the toy may not last as long as it would for a more gentle cat.

With these factors in mind, it’s difficult to provide a definitive answer for how long homemade catnip toys will last. However, with proper care and maintenance, you can help to extend the life of your cat’s toys. Here are some tips for keeping homemade catnip toys in good condition:

1. Clean the toys regularly: To keep the toys clean and fresh, it’s a good idea to wash them regularly. You can hand wash the toys with mild detergent and warm water, and then air dry them. Avoid putting the toys in the dryer, as this can damage the toy and remove the catnip.
2. Rotate the toys regularly: As mentioned earlier, rotating your cat’s toys regularly can help to keep them interested and engaged. This can also help to extend the life of the toys, as they won’t be subjected to constant playtime.
3. Store the toys properly: When not in use, it’s important to store the toys properly to prevent them from getting damaged or dirty. You can store them in a clean, dry place, such as a toy box or basket.

Overall, the lifespan of homemade catnip toys can vary depending on a number of factors. However, with proper care and maintenance, you can help to extend the life of the toys and provide your cat with a fun and stimulating play experience.