When: Friday, May 4, from 10 a.m. to 8 p.m., Saturday, May 5, from 10 a.m. to 8 p.m., and Sunday, May 6, from noon to 6 p.m.
Where: The Invisible Dog, 51 Bergen Street 3rd Floor (between Smith Street and Boerum Place); 646-270-2550.
When: Thursday, May 3, through Friday, May 4, from noon to 7 p.m., and Saturday, May 5, from noon to 5 p.m.
Where: 468 West Broadway (between Prince and West Houston streets); no phone.

Photo: Courtesy of A.P.C.