Games Workshop miniatures aka
Warhammer/Warhammer 40,000 etc, pre mid 90's had lead in them (literally a heavy metal).
http://theminiaturespage.com/boards/msg.mv?id=201028https://www.discogs.com/Bolt-Thrower-Realm-Of-Chaos/master/73592+
Get yourself a BA-KU, Creature, Lifeblood, Blood Wizard, Zero, Santa Cruz (Jason Jesse Cthulu deck) skateboard deck & some multi sided dice & viola... METAL.
https://www.youtube.com/watch?v=dp2zSHHawIE