flexagon

(redirected from Tetraflexagon)

flex·a·gon

 (flĕk′sə-gŏn′)
n.
A folded paper construction that can be flexed along its folds to reveal and conceal its faces alternately.

[Blend of flex + hexagon.]

flexagon

(ˈflɛksəˌɡɒn)
n
a flat model consisting of a single pliable strip of paper which can be folded and flexed in various ways to expose different hidden faces