MindWare Venn Perplexors Level B Author:Evelyn B. Christensen Venn Perplexor puzzles use overlapping shapes to help students visualize relationships and organize information, developing critical and logical thinking skills as they go. Venn Perplexors Level B includes 48 intriguing puzzles based on classic rhymes for students ages 8-11 (Grades 3-6). Fun ways to strengthen students' ability to read for detai... more »l, see relationships, and analyze information.« less