This bingo card has a free space and 24 words: Obsidian, Breccia, Serpentine, Porphyry, Granite, Scoria, Anthracite, Gabbro, Rhyolite, Halite, Diorite, Pumice, Quartzite, Gneiss, Phyllite, Shale, Gypsum, Schist, Marble, Slate, Limestone, Sandstone, Tuff and Andesite.
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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.
