Josh Reynolds for the Boston Globe

Zoltan Mesko, left, and Rob Gronkowski were among the Patriots to help build a new playground at Plumley Village in Worcester on Tuesday.

Josh Reynolds for the Boston Globe

Pat the Patriot, the team's mascot, also was on hand.

Josh Reynolds for the Boston Globe

Mesko and Gronkowski were joined by Sterling Moore and about other 200 volunteers.

Josh Reynolds for the Boston Globe

Nate Solder also was on hand to assemble a jungle gym.