Indeed also plastic, resin and increasingly these days, charred MDF.
Next up, Pevensey - a Sealion 1940 game.
Looks like we started at Firepower in 2007, if memory actually works this was at the Royal Artillery Museum in Woolwich:
Notable for the 'failed to dry' river bed I made which did lead to figures sticking to it! Which, I maintain, is only realistic:
A rather bunched-up German assault - only feasible if you have control of the skies