TANGRAMS provide a captivating, hands-on means to develop problem solving, spatial reasoning, & critical thinking in young children. These puzzles exercise concepts about geometry (transformation, rotation, congruence, symmetry, etc.). These TANGRAMS are a perfect extension activity for Janelle Cannon's wonderful book, STELLALUNA. This differentiated activity is great for center or individual work in primary grades.CONTENTS12 puzzle mats6 mats with delineated shapes for young learners6 mats