This set of Montessori mathematical materials is suitable for children around the age of 9. It helps children learn geometry and allows children to learn lines, measure angles, construct and analyze plane geometry in primary school classes. The set consists of a series of color-coded sticks, plastic curves, a plastic measuring angle, a plumb line, tacks, and brad fasteners.

Size : 15.7”L*13.7”W*1.9”W.