Helps student visualise & touch as they increase their understanding of the decimal system as well as subtraction, addition, number sense, percentages & counting. Help students to better understand the difficult concepts by seeing, touching & getting hands on with physical models.. 1 blue cube (1000), 10 green flats (100), 10 yellow rods (10) 100 red singles (100). Used for preschool & primary school. Manual Included. Made from plastic