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Doodling in Math Class: Snakes + Graphs

by Vihart||2,693,359 views

Four Utilities Puzzle (and how to ruin a b...

by Vihart||403,837 views

Hexaflexagons

by Vihart||10,232,464 views

Announcement: Vi Hart and Khan Academy Joi...

by Vihart||165,857 views

Dialogue for 2

by Vihart||489,298 views

Doodling in Math Class: Dragon Scales

by Vihart||1,334,829 views