Symptoms seem to be suggestive of autism spectrum disorders.
A child psychologist will be able to help better.
The child needs to be examined atleast for 15-20 minutes regarding his behavior and activities related to the play.
Next Steps
Even if the child is diagnosed with Autism, occupational therapist and child psychologist will be able to make a lot of change and advice you regarding further management.
Health Tips
There are several disease mimics of Autism, so one needs to examine and observe the child thoroughly. Visit specifically a child psychologist or a developmental pediatrician.