Heat oven to 350°F. Line 13x9-inch pan with foil, leaving 1 inch of foil overhanging at 2 opposite sides of pan; spray foil with cooking spray. Make and bake brownie mix as directed on box, using water, oil and eggs. Cool completely, about 1 hour. Refrigerate 1 hour or freeze 30 minutes. Use foil to lift brownies out of pan. Cut into 6 rows by 3 rows. Insert craft stick halfway into 1 end of each brownie.