Dimensions: 24" x 36" This large dry-erase poster provides teachers with an easy way to help document students' journey through the Learning Challenge. Based on the book, The Learning Challenge by James Nottingham, this poster features: - The four stages of The Learning Challenge: Concept, Cognitive Conflict, Construct, and Consider - Prompts throughout the Learning Challenge to encourage deep thinking - Large size allows the poster to be seen from the back of the classroom Posters are mailed in a large tube.