One page numbered text explains how a tornado forms, part of abcteach's primary investigative series, "How, What, Why?" Includes three questions and both a primary and an elementary level spelling list.
We've found that Montessori materials can vary from school to school. We've done our best to choose the most widely appropriate selection of colors, shapes, and sizes, but we do understand that some schools have different standards. In these cases, we are willing to create variations so that you can get exactly what you need for your students.