Cardan Grille Link for Directions: http://unplugyourkids.com/2011/01/10/secret-codes-cardan-grille/ | Escape the classroom, Escape room for kids, Breakout boxes
Download Cardan grille 3
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Cardan cocina grill 45x29cm
Turn AMC on Twitter: "Secret messages were passed using a Cardan Grille during the #TURNrevolution. Learn more: http://t.co/Vij28p49JX http://t.co/bU1u7etRqq" / Twitter