It's not just older kids who can benefit from creative play activities! They can also help babies develop all senses and their fine and gross motor skills.
EASY BABY ACTIVITIES: 20-plus awesome baby activities for ages 6-15 months; learning activities for babies; ways to entertain a baby
Easy baby game for kids ~ works on so many different skills for baby. Especially persistence!!
How to colour/color spaghetti to make a great sensory play for babies and toddlers.
Over 50 ways to entertain your baby! Creative ideas for first art projects and TONS of ideas for edible (taste-safe) sensory play from Fun at Home with Kids
DIY Tugging Box for Young Toddlers ~ Fun Fine Motor, Sensory, and Cause and Effect Activity (From Laughing Kids Learn)
Tummy Time Finger Painting for babies :: sensory play, infant activities, handmade gifts for grandparents, baby arts and crafts
Baby play and learning ideas for babies 0-12 months. This site also shares typical baby development and ideas.