An announcement from the maker of Beanie Babies has sent hundreds of Iowansscrambling for spare change and their nearest collector’s store.Ty Incorporated says all current Beanie Babies will be retired December 31st,but it’s unclear if a new line of the cute critters will appear in 2000,if some other plush product is next — or if the craze will simply end. Max Rosenberg, a gift store co-owner in Des Moines, is suddenly swampedwith customers.Rosenberg ignores those who say Beanies are mere stupid stuffed animals.He calls the fuzzy phenomenons a valuable commodity and an investment.His store sells them for six dollars, though some rare ones can fetchten-thousand dollars each.