Turning 4 months, what should my baby able to do now?

Norfazleen

My baby is turning 4 months in few days, but he still doesnt want to/able to grab toys in front of him on his own.

For tummy time he refuses to do more than 10 minutes. His head can tilt up to 60ish degrees, but often tendency to tilt more on the right side. Should i be worried about it?