It’s easy to demonstrate andreinforce place value concepts with our hands-on teaching kit! Itincludes 20 packs of student manipulatives, each with 20 ones, 15 tensand 9 hundreds blocks. Simply use the manipulatives to review keyconcepts with a small or large group of students…or encourage childrento use the manipulatives to practice skills on their own! The kit alsoincludes a teacher’s guide with step-by-step instructions andreproducible activity mats that prompt students to compare numbers,practice regrouping, use expanded notation & more! Kit comes in a14 3/4"w x 10"d x 5 1/8"h storage box.