Package Includes: 50 pieces; 1 math talk (8 pieces), 3 questions and 9 sentence starters, 4 operators (+-×÷) and 10 stationery items such as pen, ruler and compasses, 16 borders Various Sizes: The largest dialog box measures 7.5×7.9 inches; The smallest stationery measures about 3.1×2.4 inches Unique Design: Including questions such as "What strategy did you use?" And sentence starters such as "I agree because...", "Another way to solve this is..."; Visual prompts encourage students to think and discuss, and cultivate their logical ability Wide Uses: Great for classroom, homeschool, chalkboard, door and windows, or for themed parties, class activities, academic game, brainstorming session, or as craft supplies Our Advantages: Heavy cardboard; Bright color; Great cutting; Various sizes; Sufficient quantity The math talk back to school bulletin board decoration kit have sufficient quantity and variety of sizes and printed the bright colors Use them for family math night, visual learning wall, and school math corners to enjoy happy learning with family, kids, teachers, and friends!