Luke Harmon, 8, of East Setauket, was diagnosed with autism spectrum disorder and his father said he didn’t know how to communicate. That is, until Luke learned to express himself by building Legos. Credit: Newsday/Steve Pfost; Photo credit: Dennis Harmon

SUBSCRIBE

Unlimited Digital AccessOnly 25¢for 5 months

ACT NOWSALE ENDS SOON | CANCEL ANYTIME