I was bored in a hotel room, so I went and bought 72 pencils.\r
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You can buy the same pencils on Amazon here:\r
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Download the Stand-up Maths theme!\r
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George Harts 72 Pencils:\r
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Alejandro Ericksons hexastix instructions:\r
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My show at MoMath in New York on Sunday 23 October:\r
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This video is in no way sponsored by Staples. If anything, theyre probably slightly annoyed at me for messing around in their fancy office chairs.\r
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CORRECTIONS: None yet. Let me know if you spot anything.\r
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Support my videos on Patreon!\r
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Music by Howard Carter\r
Design by Simon Wright\r
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MATT PARKER: Stand-up Mathematician\r
Website: \r
Maths book: \r
Nerdy maths toys: