It’s always the same dream: An army of professional babysitters is at your beck and call, day and night. At Wondersitter, the dream’s not far off. Summon help to your doorstep by simply stating your request — date, time, name of favorite sitter — online. Founded by San Francisco-native Rose Titcomb, the service carries out background checks on all staff. You can expect Mary Poppins-turned-Wonder Woman (minus the alarming uniform). A combo to fuel fantasies, if ever there were one. Wondersitter (415-912-8300 or wondersitter.com). For complimentary first-time booking fee, enter DAILYCANDY in the “How did you hear about us” field of your request. GO Family Gallery Adventure: Volumes of Shapes and Shapes of Volumes What: Free admission to museum for kids, with additional architecture exploration program and free art packs for all. Why: It’s hip to be square. When: Sun., 1 p.m. Where: Contemporary Jewish Museum, 736 Mission St., b/t Third & Fourth Sts. (415-655-7800). CELEBRATE Aloha Festival What: Music, hula, crafts, and cuisine from the Pacific Islands. Why: I mua. When: Sat. & Sun., 10 a.m.-5 p.m. Where: Presidio Main Parade Ground, 50 Moraga Ave., near the Officers’ Club. BEFRIEND Emotes What: Spunky new cyber characters teach kids to deal with anxiety, anger, and frustration, with toys and books. Why: Can you feel it? When: Before she blows. Where: Online at emotes.com.