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Screenshot of Take and Make: Mini Unit Circle
Take and Make: Mini Unit Circle
Screenshot of Tetrahedral Straws
Tetrahedral Straws
Screenshot of The A4 Paper Puzzle
The A4 Paper Puzzle
Screenshot of The coin flip conundrum
The coin flip conundrum
Screenshot of The Coin Hexagon
The Coin Hexagon
Screenshot of The Forgotten Flexagon
The Forgotten Flexagon
Screenshot of The Four 4s - Numberphile
The Four 4s - Numberphile
Screenshot of The Game of Hex
The Game of Hex
Screenshot of The Graceful Tree Problem
The Graceful Tree Problem
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