Features: 1.There are 4 rulers in this ruler set including protractor, right angle triangle, isosceles triangle and straight ruler. 2.With rounded corner design, the ruler will not hurt your hands, and the transparent material can be measured clearly. 3.The ruler is recessed for easy access. It can be straight and rolled, has its own bending, and is not easy to break. 4.With cute appearance and pink colour, the ruler can easily attract eyes of little children and raise the children's interests in study. 5.The ruler set is a good tool for kids or students to study, also a good gift for those who have children at home. specification:Item Type: Ruler Set Material: Plastic Functions: Practical Measurement Tools for Artists, Designers, Architects, Engineers, Students, Etc.; for Classrooms, Schools, Offices, Homes, Etc. s: Protractor, Right Angle Triangle, Isosceles Triangle, Ruler PackageList:4 xRulers