Enough materials for 10-15 students. Includes 300 interlocking unit cubes, 150 rods, 20 flats, one decimeter cube; 25 place value charts; 112-page book that covers building, counting, place value, adding, subtracting, multiplying, and dividing; ..

Enough material for 20-25 students. Includes 600 unit cubes, 200 rods, 20 flats, three decimeter cubes; 96-page book; and a 12-qt. storage bin. Orange.

Demo-sized magnetic Base 10 set made from flexible magnets. Includes 121 magnetic pieces total (100 units, 10 rods, 10 flats, and a 1,000 cube). Comes with a guide. Age 6 and up.