Whoopie, pie. 

APPRAISE
The Boston Pie Experiment
What: Taste-testers judge crusted confections both savory (quiche, meat) and sweet (Boston cream, apple) during an amateur bake-off.
Why: Pie one on.
When: Sun., noon-3 p.m.
Where: The Middle East Restaurant and Nightclub - Downstairs, 472-480 Massachusetts Ave., Central Square (617-864-3278). Tickets ($10) online at ticketweb.com.

AMASS
Acquire Warehouse Sale
What: Load up the cart with embroidered pillows, antique furniture, and mod lighting at 50 percent off.
Why: Never-before-displayed wares include midcentury chrome lamps, Audubon framed artwork, Parisian flatware, and a leather Danish sofa.
When: Starts Sat. Mon., 11 a.m.-6 p.m.; Tues.-Fri., 11 a.m.-7 p.m.; Sat., 10 a.m.-7 p.m.; Sun., noon-5 p.m.
Where: 61 Salem St., North End (857-362-7380).

DRINK
Australia Day
What: The Battery Park mates move up the January holiday to celebrate in Oz-like heat; down proper grog (Coopers, Tooheys) while perfecting your spiffiest “g’day.”
Why: It’s a Dundeel.
When: Sat., 2 p.m.-2 a.m.
Where: 33 Batterymarch St., Financial District (617-350-7275). Tickets ($10) at the door.

BANQUET
Summer in Duxbury Menu at Island Creek Oyster Bar
What: Gain a glimpse into the epic barge meals relished by South Shore oyster farmers during the high-sun months.
Why: Essential New England noshes include steamed hot dogs with tomato relish ($8), creamy oyster stew ($12), and lobster with lemon-thyme butter ($30). 
When: Thru Aug. 21. Mon.-Sat., 5-11 p.m.; Sun., 5-10 p.m. 
Where: 500 Commonwealth Ave., Kenmore Square (617-532-5300).

Photo: Spike Mafford / Thinkstock