The building center is another popular center in our classroom. The mainstay of this center is blocks but we also rotate Legos, Waffleblocks, a train set and Magneatos in this center. Blocks are important to any preschool program. For more information on why block play is important---
http://www.earlychildhoodnews.com/earlychildhood/article_view.aspx?ArticleID=397
http://www.claytonearlylearning.org/blog/why-is-block-play-important-for-toddlers-and-preschoolers-what-are-they-learning/
http://www.parentingscience.com/toy-blocks.html
http://www.scholastic.com/parents/resources/article/creativity-play/all-about-blocks