This bingo card has 27 words: Core, Island, Limestone, Millions, Amethyst, Obsidian, Quartz, Ruby, Fossil, Pumice, Layers, Emerald, Volcano, Amber, Vein, Mantle, Magma, Igneous, Lava, Mary Anning, Ocean, Mica, Crust, Sedimentary, Rock Hound, Animal and Bone.
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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.