The psychological sand table we usually accept refers to the sand table group, including sand table, sand tools, sand tools display, sand table support and so on. Psychological sand table can be divided into solid wood sand table and high-density board sand table according to its material. Solid wood sand table, that is, its sand table, sand table bracket and sand table display are all made of solid wood, and the high-density board sand table is made of high-density board.
Sand table can be divided into individual sand table and human sand table according to its size and users. Personal sand table is also called standard sand table, which is made according to international standards. The tortoise-rabbit race is usually used by individuals, with specifications of 57*72*7cm and support size of 40cm*57cm*65cm. Group sand table is a sand table for the body, which is used by 3 to 5 people. The general size of the group sand table is101*1* 8cm, and the support size is 10 1cm * 10.
In order to facilitate the choice of schools, sand table manufacturers have launched a series of sand table combination suits. Schools can choose the number and materials of sand tables, sand tools and sand tables according to their needs. Common sand table combinations are as follows:
Generally, a school with 500 to 1000 students needs two or three sand tables, sand tools with a size of 1000 to 1500 and two or three sand display racks, that is, choose the sand table combination 1000, 1200 or/kloc.