the '50s brought the hula hoop. 100 million of the toys flew off the store shelves in 1958, bringing million bucks in the first year alone. fast forward to the '70s and that inexplicable fad, the pet rock. dumb idea? now to its creator. it made him $15 million in six months. what about the loveable cabbage patch kids from the '80s? in 1983, sales of $60 million. two years later, $600 million. and the beanie baby in the '90s. '9, sales exceeded $1 billion. the one thing that you run into i think with toys like this is that they're fad, right, just as quickly as they take off, they can fizzle, can't they? >> whether it continues to grow is based upon a number of factors. is there continued innovation in the product? as long as it doesn't get stale it can grow. >> reporter: this is the ceo of toys "r" us. it's his job to pick which toys will stick. few turn into long-term franchises. how do you get a toy to outlast a fad? >> you do have to have collectible, they have character, they have personality, and they have something a little special, a little wow factor, a little technology, and