Day on your own! $60/person
Historic District, Shopping, Art Museums, Food Tours, Legoland, Walking Tours, Philadelphia Flower Show (requires seperate admission). 
Some sites to help you plan your day:
visitphilly.com
visitacity.com
Need a good map? Check Amazon for: StreetSmart Philadelphia

Reserve your seat online at:
shippensburgparkandrec.org

Questions? 
Contact Staci in the office @ 717-530-0261 or
Email: office@shippensburgparkandrec.org
** deposit will be refunded if SCPRA cancels the trip