Family

Dexter’s Duplication Machine--The latest “invention” of the boy genius of “Laboratory” fame, above, will roll up to the Promenade in Woodland Hills today and at Six Flags Magic Mountain on Friday.

* Obon Festival--Demonstrations in obon dance, martial arts and cultural exhibits will be among festivities at the East San Gabriel Valley Japanese Community Center in West Covina on Saturday.

* Bixby Knolls Street Fair--A kids’ fun zone will highlight the third annual fair Sunday on Atlantic Avenue between Bixby Road and Carson Avenue in Long Beach, starting at 10 a.m.