This inclusive classroom set has everything you need to make sure to your students are successful! The high-quality learning tools are guaranteed to keep your young learners thoroughly engaged and environmentally conscious! Details:9"x 12" lap boards2" x 2" erasers30 items each of markers, boards, and erasersEnvironment-friendlyMasonite, felt, and ink Markers are AP CertifiedConforms to ASTM D-4236For ages 3 and up