One Little Whale Books: fun and Interactive books for hands-on learning. Perfect for toddlers, preschoolers, kindergarteners, and first graders! Math Book 3+ helps your kid learn basic math with its math exercises like: number tracing, counting, filling in missing numbers, number mazes and more. This jumbo toddler math book is a fun math workbook with illustrations on how to write numbers as well as hand counting. Its...