This high-quality, natural-finish wooden building blocks are wonderful teacher resources to assist younger students with hands-on learning. Not only are these manipulatives fun to build and create, they're also perfect for introductory lessons about counting, adding, subtracting and learning balance and motor skills. Wood. (60 pcs. per unit) Storage box, 15" x 12" x 5". © 2016 Melissa & Doug, LLC. All Rights Reserved.