Mark Your Calendar: Weekend Roundup

* Saturday, May 9, from 10 to 3: Feria Urbana at Pizzaiolo in Oakland

* Saturday and Sunday from 10 to 4: Open Studios and Factory Store Sale at Heath Ceramics in Sausalito

* Opening Saturday at noon at Johansson Projects in Uptown Oakland: Val Britton and Michael Meyers's Echo Fields (the artists' reception for the show is next Saturday, May 16, from 5 to 8 p.m.)

* Saturday from 2 to 4: The First Annual Cupcake Bake-Off at Oakland's Rock Paper Scissors Collective (across the street from Johansson Projects); $4 at the door

* Saturday from 7 to 11 p.m.: The opening reception for Isabel Samaras's Into the Woodz at San Francisco's Shooting Gallery

* And at the same time next door at White Walls Gallery: The opening reception for New Work from Ian Johnson

* Finally, if you're still on the hunt for a Mother's Day gift, don't forget the exclusive discount for More Ways to Waste Time Readers at Atomic Garden in Rockridge.