Lollipop Logic: Grades K-2, Book 1
Logic Safari Book 1
Lollipop Logic, Book 2 (Grades K-2)
Logic Safari Book 2
Logic Liftoff, Grades 4-6
Lollipop Logic, Book 3 (Grades K-2)
Logic Countdown, Grades 3-4
Mind Benders Book 2 (Grades 1-2)
The Critical Thinking Mind Benders Book 3 School Workbook
Puzzle Baron's Kids' Puzzles