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MIAMI (CBSMiami) — Toys R Us could reportedly file bankruptcy this week, just months ahead of the Christmas shopping season.

The toy giant has hired a law firm to address a $400 million debt load coming due next year, according to the Wall Street Journal.

Like other big box retail chains, Toys R Us has struggled to keep up with the steady migration of shoppers to online outlets, which have in turn forced prices downward and cut down on in-store visits, The Journal reported.

Some of the store's suppliers have reportedly held back on shipments unless the retailer pays for deliveries in cash.

Toys R Us has more than 1,600 stores worldwide.