This bingo card has 14 words: Pumice, Granite, Basalt, Obsidian, Sandstone, Limestone, Shale, Conglomerate, Coal, Gneiss, Quartzite, Slate, Marble and Schist.
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Learn how to conduct a bingo game.
With players vying for a you'll have to call about __ items before someone wins. There's a __% chance that a lucky player would win after calling __ items.
Tip: If you want your game to last longer (on average), add more unique words/images to it.
