WHAT: SummerFest, a week long event on the campus of the University of Pennsylvania, featuring a giant sand sculpture, free live music and a farmers' market.

WHERE:University Square, 36th & Walnut streets, Philadelphia.

WHEN: SummerFest runs from July 17 to 21.

DETAILS:Slavin Creations is sculpting nine tons of sand into a magical storybook fairytale.  The sculpture will be completed today and taken down early Friday morning.

Enjoy jazz from the Arpeggio Jazz Ensemble at 5 p.m. today,  the Latin tunes of Synthesis Band on Wednesday or the John Breslin Jazz Band on Thursday.  

A farmers' market from 11a.m. to 2 p.m. Wednesday and Thursday will feature local vegetables, herbs, cherries, peaches, berries, baked goods and more.

Participating businesses are also offering discounts.  These include the Penn Bookstore, 3601 Walnut St.; Eastern Mountain Sports, 130 S. 36th St.; the Gap, 3423 Walnut St.; Metropolitan Bakery, 4013 Walnut St.; Ben & Jerry's, 218 S. 40th St.; and Gourmet Ice Cream & Yogurt, 3409 Walnut St.  Patrons should mention "SummerFest" to receive the special promotions.