Today's highly promoted, in-demand toy can quickly become tomorrow's 'has-been.' Does your innovation have growth potential? Doea it have play value, will the consumer get his/her money's worth and, most important, is it fun? MAny inventors conduct informal market research by hvaing friends or relatives play-test a product witht eh age group for which it is intended. Remember, toy manufacturers and design firms employ professionals who have many years of experience creating toys with long-lasting appeal. Anticipating trends, however, is difficult at best difficult even for the experts, so most large toy companies commision extensive market research to determine what type of toys children like and play with the longest and the types parents want to purchase for their children.