UNIFIX® Early Pattern Flip Books, Set of 6 Patterning provides a foundation for number concepts, reading, problem solving and thinking skills. Reinforce such skills as left-to-right sequencing, visual discrimination, decoding, recognition of color and number patterns with these six spiral bound pattern books. Each book contains 12 full color pattern cards. Set of 6 includes Patterns in 2's, Patterns in 3's, Patterns in 4's, Simple Mixed Sequences, Vertical Rods one to three, and Vertical Rods one to five. Grade Level: PreK-1