Minecraft Foam Pickaxe and Sword: 2011 - ThinkGeek
These props are just die-cut EVA foam which is painted to resemble the in-game items. It might have been our first foray into EVA foam, which has turned out to be a blessing and a curse. They're super popular, but such a throw-away novelty item.

Minecraft Foam Pickaxe - $19.99

Minecraft Foam Sword - $19.99