1 has different functions. Counter is used by children to learn to count, including ten digits, percentiles and so on. The school box is special for primary schools. There are some sticks and small things in it for counting.

2. Different shapes. The counters of primary school students are mostly vertical five-speed counters, also called five-speed calculation racks, which are composed of plastic counting beads, arched metal rods, plastic bases, baffles, digital sequence tables, etc. , and are a rack. Learning toolboxes are mostly square boxes.