  2004 - Exploring with Pattern Blocks (Paperback) → Paperback ISBN-13: 9781569110935 ISBN-10: 156911093X Genres: Children's Books, Nonfiction ?  1992 - Exploring with Pattern Blocks (Paperback) → Paperback ISBN-13: 9780201480290 ISBN-10: 0201480298 Genre: Nonfiction ?   |
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