This 1981 Tyco ad for Magnum 440 slot cars offered a great promotional deal: kids were invited to bring along their Magnum 440 cars into their nearest participating toy shop and race them against other kids. Race winners could claim trophies and prizes and enter to win a free trip to a World Championship Grand Prix.

US. Weird War Tales. 1981.

Tyco Magnum 440. 1982. US.