Kine Weekly wrote: "Its players work hard, but its humour, pretty crude, is mainly addressed to the lowbrows."
The New York Times wrote: "It is a good thing Mr. Sellers and his helpers didn't try to stretch it for longer than a half hour. But within that time and with reservations ... it makes a lively little lark."
The Radio Times Guide to Films gave the film 3/5 stars, writing: "Dick Emery stands in for Harry Secombe in this pseudo-Goons picture. The theft of the eponymous instrument is of virtually no significance other than to give Peter Sellers the opportunity to play three characters. Spike Milligan also gets to reprise his beloved character, Eccles. The opening "Crime Does Not Pay" pastiche and the door-knocking sequence are the highlights." ==References==