Police say the family of a Troy, Mo., six-year-old boy arranged for him to be kidnapped because he was “too nice” and needed to be taught “a terrorizing life lesson,” according to a statement from the Lincoln County Sheriff’s Office.

His aunt Denise Kroutil, 38, allegedly enlisted co-worker Nathan Wynn Firoved, 23, to “lure” the boy into his pickup truck after the youngster got off the school bus.

While in the vehicle, the man allegedly showed the boy a handgun and threatened to “nail him to a shed” and keep him away from his mother — all while binding the boy’s hands and feet with plastic bags to prevent him from seeing and escaping.

Per police, the six year old was then taken to the basement of a house where Kroutil allegedly took off his pants and said he would be sold into “sex slavery.”

The boy’s mother, Elizabeth Hupp…