Write-On/Wipe-Off books are engaging, versatile learning tools that can be enjoyed repeatedly. Each book is geared toward helping children develop and master basic skills. Durable pages allow for easy erasing, offering endless opportunities for practice and learning fluency. Use a dry-erase marker to fill in the answers, then wipe away and start again. The colorful pages and captivating activities make learning fun! Product Dimensions: 7" x 9" UPC: 88231982159