Specmarvelous book! This book is perfect for kindergarten or fist grade.It has a great concept of rhyming as well as math, great way to incorporate two subjects. It makes references about 100 day and the 100th day of school. It can be used in a counting lesson and would be great for a small or large group. Candy is also used in it and what better way for the students to have fun than eating M&M's. The book counts by ones, twos, fives, and tens. It offers lots of variation and is a great book to help students learning to count.