1.   Byrne, of the toy industry newsletter, said such celebrity dolls seldom become blockbuster toys.

2.   It also has been hurt by slow sales and lack of a blockbuster toy.

3.   Moreover, there is no blockbuster toy that children are asking for.

4.   That is true, but the absence of a single blockbuster toy also has a downside.

5.   For every Barbie and Hot Wheels, a thousand quirky or undermarketed inventions await discovery as the next blockbuster toy.