Anti-Narcotic Detectives on Wednesday seized narcotic drugs tacked in several books at the Jomo Kenyatta International Airport (JKIA).
The suspect heroin was on transit from Kigali, Rwanda to Guangzhou in China according to police.
No one was arrested but police say the matter is under investigation.
Early this month, police arrested a Nigerian national at JKIA on suspicion of trafficking narcotics.
The woman identified as Princess Okoye, 25, was intercepted as she prepared to board a flight destined for Italy.
According to Police, the woman had concealed the drugs in plastic bottles containing milk.
She was carrying 77 Pellets of suspected narcotics and later emitted an additional 15 pellets.
Last month another consignment of heroin worth Sh1.5 Million was confiscated by detectives at the same airport.
The consignment, which tested positive for heroin was from Juba, South Sudan and was destined for the Republic of Guinea.