NEW YORK — In another sign of the grim holiday season, KB Toys filed for bankruptcy protection for the second time in four years on Thursday and plans to begin going-out-of business sales at its stores immediately.

The 86-year-old company said in a filing that its debt is "directly attributable to a sudden and sharp decline in consumer sales" because of the poor economy. KB Toys has two outlet stores in Utah, in Park City and St. George.

That a toy retailer filed for bankruptcy just before Christmas shows how bleak things are, since such stores make up to half of their sales during the holidays. But analysts expect toy sales this holiday season to be flat or down slightly from last year's total of $10.4 billion, according to market research firm NPD Group.