"These sponges are just the right size for doing Wet-Dry-Try on the Slate Chalkboard, Blackboard with double lines, and our NEW Magnetic Lowercase & Blackboard Set. 100 (0.5"") square cubes per bag. Learning Without Tears is an education company that offers a unique approach to teaching and learning, from crucial readiness skills in Pre-K to foundational writing skills in elementary school. Our programs support learners and teachers with engaging, effective products and instruction. The Handwriting Without Tears K?5 curriculum is a proven success in making handwriting easy to teach and easy to learn. This research-based curriculum features developmentally appropriate, multisensory tools and unique teaching strategies that address diverse learning styles, ensuring all children succeed."