"How to massage your baby." Baby is constantly building muscle and, just like us, that makes them sore. I would consider a message with some lavender essential oils to smell and candle lit. Maybe right after a warm bath and get baby relaxed for sleep.
Tips and tricks for playing with a 3 or 4 month old baby from a pediatric Occupational Therapist and mommy. Includes explanations of how play helps your child reach important baby milestones! CanDo Kiddo 3 is terrible DO NOT DO THIS!