| Nut N' Berry Food Block for Wild Birds, 13 oz. High-energy Food Block attracts birds without the mess or waste of loose seed blends. Assorted nuts, berries, seeds, and more - bonded into a block that fits perfectly inside mesh-style Block Feeder. Blocks measure 2-1/2" x 2-1/2" x 6-1/2" ... more Nut N' Berry Food Block for Wild Birds, 13 oz. High-energy Food Block attracts birds without the mess or waste of loose seed blends. Assorted nuts, berries, seeds, and more - bonded into a block that fits perfectly inside mesh-style Block Feeder. Blocks measure 2-1/2" x 2-1/2" x 6-1/2" Petco.com | | $9.99 go to store |