More than $2 million worth of chemicals that can be turned into illicit drugs and dozens of Lego boxes have been seized by police in Victoria.
A 45-year-old man was arrested following searches at properties in South Melbourne, Brunswick, Essendon North and Morwell on Thursday.
Officers say they found almost 70 kilograms of chemicals that can be used to make $2 million worth of methylamphetamine and about $600,000 worth of a drug that mirrors GHB called 1,4-Butanediol.
They also found 74 boxes of Lego and five luxury watches alleged to be proceeds of crime, plus a hand gun, extendable baton and ammunition.
The Morwell man was charged with 10 offences including trafficking a large commercial quantity of a drug of dependence and committing an indictable offence while on bail.
Acting Sergeant Brad Hobbs said offenders often imported drugs as an industrial product and the substance that mirrored GHB could cause enormous community harm.
"The drug can be unpredictable and the difference between survival and a fatal overdose can be very small," he said.
"There is absolutely no safe amount to ingest.
"That's why we're committed to removing it from unintended hands."