Ravelry: Olive Octopus Puzzle pattern by Dedri Uys
Amish Puzzle Ball Free Crochet Pattern
CROCHET PUZZLE BALL: How to crochet a Montessori Ball step by step tutorial | Crochet Lovers - YouTube
Crochet Crazy - Apple Puzzle Ball! Perfect gift for a teacher to keep in the classroom! Katie used this pattern but changed the colors to make it look like an apple! http://www.lookatwhatimade.net/crafts/yarn/crochet/free-crochet-patterns /crochet-amish ...