 Children Wooden Unit Blocks have been the standard for the classroom because of their proportions, (length is twice the width, width is twice thickness). They facilitate the learning of spatial concepts and simple geometry. Building with blocks promotes skills that involve the whole child. Each child moves their muscles differently to build and create structures.     The children have been discovering how different blocks feel in their hands, and about space and shapes. They develop ideas and interests of their own as they select the blocks they want to use. The children did not express what their structure was about but continued putting them into precise adjustment. Size and shape are important features that help children to decide how they want to build their structure. Blocks are stimulating and rewarding. They contribute to the children's creativity and imagination as they explore. 