A standard seven pupil was on Friday arrested while transporting Bhang using a motorbike in Naivasha county.
The boy was arrested when a local alerted the area chief of two underage boys ridding a motorbike in the area.
One of the boys was arrested Chobe village while his accomplice managed to flee and is yet to be caught.
Upon interrogation, the 14-year-old said he had been sent by his uncle to deliver bhang to a woman at the Chobe shopping centre.
The boy is currently detained at the Kinangop police station pending further investigations into the matter.