Yes, you can make homemade catnip toys in different shapes and sizes to provide a variety of play experiences for your cat. Here are some ideas for different shapes and sizes of catnip toys:

1. Sock toy: A sock toy is a simple and easy DIY cat toy that you can make by stuffing a sock with catnip and sewing it shut. You can use different sizes and types of socks to create toys of varying shapes and sizes.
2. Felt fish: A felt fish is a cute and colorful catnip toy that you can make by cutting out a fish shape from felt and stuffing it with catnip. You can use different colors and patterns of felt to create a variety of fish shapes and sizes.
3. Pillow toy: A pillow toy is a soft and cuddly catnip toy that you can make by sewing together two pieces of fabric and stuffing them with catnip. You can use different shapes and sizes of fabric to create pillows of varying sizes and shapes.
4. Crochet toys: If you know how to crochet, you can create a variety of catnip toys in different shapes and sizes, such as balls, mice, and hearts. You can use different colors and textures of yarn to create toys that are visually appealing and interesting to your cat.
5. Scratching post toys: You can also make catnip toys that can be attached to your cat’s scratching post, such as small felt shapes or pom-poms. This can encourage your cat to use their scratching post and provide them with a fun and interactive play experience.

When making homemade catnip toys in different shapes and sizes, it’s important to consider your cat’s preferences and play style. Some cats may prefer toys that are small and easy to carry around, while others may prefer toys that are larger and more interactive. You should also consider the durability and safety of the toys, using materials that are safe and non-toxic for your cat to play with. Finally, always supervise your cat while they play with toys and discard any toys that are damaged or worn out to prevent choking hazards or other dangers.