【Safe Plastic】This multifunctional geometric ruler is made of transparent plastic with smooth , burr free edges . Highly flexible , and resistant to drops and bending , it has passed safety inspections , ensuring peace of mind for children’s daily use and craft projects 【Creative Drawing Ruler】By combining different gear set , you can draw an endless variety of floral curves , spiral patterns , and geometric designs with this spiral art gear geometric ruler . No drawing experience is required , you can create your own unique artwork with ease 【Portable Design】 The slim , lightweight design of spiral art drawing ruler fits easily into pencil cases or backpacks , allowing for creative play anytime , anywhere , whether at home , school , or on the go 【Multifunctional Design】Our spiral curve drawing ruler combines drawing , measuring , and geometry education in one tool . Features a built in ruler with graduations and multiple cutout shapes , allowing you to create creative designs while meeting everyday drawing and measuring needs , one ruler for multiple uses 【Suitable for Craft Classes】By rotating gears and combining patterns , children can intuitively grasp geometric and mathematical principles with this geometric drawing template . It enhances hand eye coordination , spatial imagination , and creativity , making it an excellent educational tool for early childhood education and arts and crafts classes, Manufacturer: NZWBSHSSP