Spend time by the sea, as well as checking out the local cuisine in Al-Hamra'a.
You might find the perfect souvenir at Jeddah Mall or Thalia Street. You might find that sights like Alandalus Mall and Jeddah Islamic Seaport are worth a visit.
During your trip to Jeddah, you can search for that perfect souvenir at Red Sea Mall. Wander the seaside and beaches in the area.