Queensland police are warning late night businesses to be on the lookout for Santa Claus and Spiderman after a service station was robbed by the pair west of Brisbane last night.

Investigators said the unlikely duo held up the service station at Helidon in the Lockyer Valley, armed with a sword and hammer.

No money was taken, but they got away with as many cigarettes as they could carry.

The pair were last seen in a white station wagon travelling east on the Warrego Highway.

No-one was hurt.