Teacher-approved base 10 blocks plus dynamic colors equals number models that really pack a punch! Introducing Brights!: teaching tools you know and love, in cutting-edge colors they'll embrace. This Classroom Set includes 823 durable plastic pieces to help students extend the counting sequence into the hundreds (and well beyond!), understand place value, add and subtract, demonstrate geometric concepts, and much more! Perfect for an entire classroom of 20 to 25 students, this set also features a 107-page book packed full of reproducible activities. Bring abstract ideas to concrete life, one block at a time! Details: Units in vibrant, bold colors Cube measures approximately 4'' Durable plastic For 20 to 25 students Grades 1+ For ages 6 and up Contents: 600 units 200 rods 20 flats 3 cubes Base Ten book (LER 4296)