*No – a spinner (such as from a game or marble toy device spinner) can not count as a fan blade, just because it spins. The fan blade used or created should resemble a fan blade, not be a spinner from a game, manufactured set, or a spinner that does not look like a fan blade.
If a team can’t find an actual fan blade, a team may make a fan blade from various materials (cardboard, metal, wood, paper, or even 3D print) – it doesn’t need to have the curved surfaces of a real fan blade, but should look like a fan blade to judges (not a paddle wheel, Marble Roll spinner, game spinner, or spinner which doesn’t resemble a fan).
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