Call it the case of the building block bandit.

An Island Park woman is charged with stealing about 800 Lego play sets worth $59,000 and trying to sell them on eBay.

Nassau County police say Gloria Haas, 53, stole the Legos after noticing them in a customer's space at a local storage facility where she was also renting.

She moved the play sets to a different storage facility in Rockville Centre, then listed them for sale online, according to police.

Investigators said they tracked the stolen toys back to Haas and arrested her about 1:30 p.m. Thursday.

Most of the boxes of Legos have been recovered, said Officer Jean Deluca, a Nassau police spokeswoman.

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Haas was charged with grand larceny. She was arraigned Friday in First District Court in Hempstead and released without bail, records show.

Information on an attorney for Haas wasn't available. A phone number listed for her address was not in service.