“Volunteer registration opens Today (Thursday, April 11).Volunteers can register online at loveyourpark.org or over the phone at ((215) 988-9334) starting today, Thursday, April 11, at 9:30am.”

30 volunteers are requested.
This link goes directly to volunteering for Pretzel Park:

https://loveyourpark.givepulse.com/event/110364-Pretzel-Park-Service-Day?referring_group_id=239527&wkey=2aeccc7eb0ae92d727faa7bec8a67829