Foam Pattern Blocks - TCR20612 | Teacher Created Resources
Playing with Pattern Blocks | Unschooling Conversations
Pattern Block Design Cards
Amazon.com: Learning Resources Plastic Pattern Blocks - Set of 250, Ages 3+ Shape Games for Preschoolers, Homeschool Supplies, Preschool Learning Games, Shape Manipulatives for Kids : Toys & Games
Pattern Blocks - Wikipedia
Control Alt Achieve: Pattern Block Templates and Activities with Google Drawings