20 marque-pages en origami - Mathematiques

Make 20 animal bookmarks using the geometry. With this turnkey kit, have 
fun discovering that the square can also be transformed into an isosceles
 triangle...and lots of other tricks!
Everything is in the kit: the 40 eyes to stick on, the 20 origami 
sheets, the accessories for the 20 animals and of course... the
 step-by-step guide to succeed in making your origami independently
 and understanding the mathematics involved. hide in the folds!