A robotics specialist, he animated puppets and dolls for displays worldwide. His “Toyland,” with a two-story-high Santa, drew ...

For Christmas, his display rivals the iconic ones you’ll find in the nearby Dyker Heights neighborhood. “This is all about community, this is about helping our neighbors,” he said.

“Most people hire people up in Dyker [Heights],” Jensen said of the other neighborhood, which is about a 15-minute walk away and renowned for its Christmas displays. “They put the signs out ...