-You can get a activity gym mat -use sensory toys / bottles/ colors or shining objects let him hold or play with - teething toys - on kids music ( abc songs etc ) - read story books to him - play bubbles - tummy time - talking / singing to him on your bed - Arrange a play Date, so he can social with other babies - indoor playground - strolling with your baby Some activities baby will entertain themselves.
Wenwen