00780cam a2200169 4500 2032898 TxAuBib 20041214120000.0 ||||||s2001||||||||||||||||||||||||und|u TxAuBib Karen Wellhousen & Judith Kieff. A Constructivist Approach to Block Play in Early Childhood. Albany, NY : 18, 2001. 2004 pp. The key features included in this book are techniques for including children with special needs in block and building activities, exploration of teacher/parent roles in facilitating block play to enhance a child's learning process and scenarios to demonstrate the developmental stages of block play. 20080124.