Challenges children to re-create 20 different designs using blueprints to help guide their building. Each blueprint features a footprint of the structure that kids can build right on top of?plus illustrations that show the design from 3 different angles?so children get lots of practice with spatial reasoning, building 3-D structures, early STEM skills and more! With 10 double-sided, laminated 13" x 13" blueprints at 3 levels.