UFT Vice President for Middle Schools Rich Mantell, who organized the event, hands a souvenir T-shirt to a participant.

(From left) Debra Elhadri a tech teacher at PS 75, Randi Boxer, a teacher at PS 152 in Brooklyn, and Amy Bernstein, a speech teacher and chapter leader at PS 272 in Brooklyn, take a selfie in Grand Central.

The crowd of participants gathers before the hunt.

Team members try to find the answer to a clue among the constellations in the main terminal’s famous celestial ceiling.

One clue asked participants to “eat something in a funny way.”

Participants use an app to log their answers.

The 2^nd-place team celebrates their finish.