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Sasaki's Puzzle British Origami
Amazon.com: FOLDOLOGY - The Origami Puzzle Game! Hands-On Brain Teasers for Tweens, Teens & Adults. Stocking Stuffers. Fold The Paper to Complete The Picture. 100 Challenges, Ages 10+ : Toys & Games
Joost Langeveld Origami Page
Mathematical Origami Jigsaw Puzzle by Ted Kinsman - Pixels