Bocai 15cm student ruler set geometric drawing set

note: This product is easy to burn, please stay away from high temperature, so as not to cause danger and affect the accuracy of the measuring tool.

this measuring instrument is suitable for general survey and study, and is not used for other purposes.

this measuring instrument is suitable for children over 7 years of age, 7 years of age children need to be accompanied by the parents can be carried out.

this measuring tool with a sharp part, use the need to be careful, so as not to scratch.