14x14 scrap wood pieces (Jamaica)

Hi all !! Had a bunch of floods livin in a basement so packed my books n art stuff in milk crates to get them off the ground BUT heres the dilemma soooo many books and milk crates came tumbling down . so Now im in search of folks who have scrap wood pieces dont care what kind BUT i need them 14"x14" so i can put them between the crates to stabilize . looking for like 25 pieces ..anyone have a bunch of scrap wood in that size ?? appreciate any info I dont walk great am on crutches and live in queens can arrange a ride ....thanks in advance