There are many ways to stimulate your baby's brain to encourage healthy development and support their overall growth. Here are some ideas:

1. Read to your baby: Reading to your baby helps develop their language skills and promotes bonding between you and your baby.

2. Sing songs: Singing songs to your baby helps develop their auditory skills and supports their memory development.

3. Play with toys: Age-appropriate toys that promote sensory development, such as rattles, soft toys, and textured balls, can help your baby develop their motor skills and coordination.

4. Tummy time: Spending time on their tummy helps your baby develop the muscles they need to crawl, sit, and walk.

5. Provide visual stimulation: Use bright colors and contrasting patterns to help your baby develop their visual skills and perception.

6. Talk to your baby: Talking to your baby helps develop their language skills and promotes bonding.

7. Play peek-a-boo: Playing peek-a-boo helps your baby develop object permanence and supports their memory development.

8. Encourage exploration: Allow your baby to explore their environment in a safe and supervised way. Let them touch, feel, and play with objects to develop their cognitive and sensory skills.

9. Go for a walk: Taking your baby for a walk outside helps develop their visual, auditory, and sensory skills as they experience the sights, sounds, and textures of the world around them.

10. Provide a stimulating environment: Create a safe and stimulating environment for your baby to explore and learn in. This can include age-appropriate toys, books, and music.

Remember, every baby is unique, and what works for one baby may not work for another. The most important thing is to provide a safe, nurturing environment for your baby to grow and develop in.