Mister Softee was offering more than just sugar cones and ice cream in Westbury on Saturday, Nassau police say.

With the familiar jingle blaring, a Mister Softee ice cream man stopped in front of a house on Newton Street about 4 p.m. Saturday, turned off the truck, walked to the door and knocked, police said. The woman at the door gave him money in exchange for a bag of cocaine, police said.

Then ice cream man Kenneth Leiton, 22, of Elmont, got back in the truck, turned back on the theme music and began driving, police said.

Leiton was immediately arrested by undercover officers, who witnessed the transaction while in the neighborhood investigating unrelated drug activity, said Det. Sgt. James Watson.

Inside the truck, Leiton had several bags of a white powdery substance believed to be cocaine that he was trying to place in his sock when the plainclothes officers flagged him down, posing as ice cream customers, Watson said. He also had a bag of marijuana, Watson said.

Leiton was charged with criminal possession of a controlled substance in the third and fifth degree, third-degree criminal sale of a controlled substance, unlawful possession of marijuana and endangering the welfare of a child, police said.

The last charge was made because children were flocking to the ice cream truck before and after the alleged drug sale, Watson said.

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Police said he was not the truck owner and they had no information on the owner.A man who answered the phone at the Mister Softee Queens Village regional office, which includes Nassau County, declined to comment.

A passenger in the ice cream truck, Randall Surmanek, 23, of Elmont, was also arrested and charged with possession of marijuana.

Later that day, police arrested the woman who they say bought cocaine from Leiton, Watson said. Kerri Collins, 27, no longer had the cocaine on her, but she was arrested when police found 120 Oxycodone pills in the house, Watson said. Her boyfriend, Luis Castro, 29, had stolen and forged a prescription from a doctor in the North Shore-Long Island Jewish system, where Castro worked, Watson said.

Castro was charged with forgery, burglary and possession of a controlled substance. Collins was charged with possession of a controlled substance, possession of stolen property and possession of a forged instrument.

Leiton and three other defendants related to the case were arraigned in First District Court Sunday, police said. Bail information was not available Sunday afternoon.

None of the defendants could be reached for comment.