The Original Deer co-Cain, formulated into a beneficial block of minerals that drives deer crazy. It attracts for a full season while supplying beneficial nutrients deer need for overall good health. This blocked form of Deer co-Cain lasts longer in sandy soils and is excellent for reactivating old mineral sites. Once you put it out, watch out. Deer will come to lick, paw, urinate and eat the soil around the block, consuming the needed minerals.