A father on Long Island was arrested after taking his daughter to the playground on Wednesday afternoon — to sell crack.

Chaleek Williams, 25, was cuffed in front of his 2-year-old child at about 4 p.m. for allegedly trying to sell the drug outside of Oxhead Road Elementary School in Centereach, police said.

Williams was also carrying MDMA — commonly known as ecstasy — and became combative with police as they tried to arrest him, according to cops.

The would-be drug-dealing dad is facing six charges, including criminal possession of a controlled substance and resisting arrest.

He’s expected to be arraigned on Thursday.

His daughter is now being cared for by family, cops said.