This Base Ten Intermediate Cube set provides students with fun and a hands-on way to further develop their understanding of place value. The Intermediate Set includes 600 unit cubes, 200 rods, 30 flats, 2 decimeter cube, and 30 base 10 place value mats all in orange. Approximately 20-25 students can be accomodated with the Intermediate Cube set. This sturdy plastic set is packaged in a convenient, plastic, stackable, storage bin with a self-locking lid. Storage and clean-up is simple and quick! Base Ten Guide Book (17171-00) sold separately.