If you like live theater, book yourself a ticket for a play or other stage show at Penn Community Bank Amphitheater. Check online for scheduling details.
You're spoiled for sightseeing choice when staying in Bensalem. Penn Community Bank Amphitheater is an ideal place to begin here, but there are plenty of other fine spots to check out. Parx Casino and Racetrack, Philadelphia Mills, and Oxford Valley Mall are not far from the arts and culture attraction and and will cap off your day nicely.