While children do not have the ability to judge the risk of toys. Parents should consider the potential safety hazards when purchasing toys. In recent years, toys safety have attracted everyone's attention, but the focus is mostly on chemical safety problems such as excessive heavy metals. Actually, physical injuries such as sharp tips should not be ignored.

In March, 2021, 《Consumer Report》compiled the random inspection of the building blocks quality from January, 2016 to February, 2021 by local market supervision administrations. Among the results of random inspection, there were 53 batches of unqualified building blocks toys, among which the problem of sharp tips was frequently listed.

The Sharp Edge Tester is used to determine whether unreasonable edges on toys or articles are likely to cause injury. When using it, connect the self adhesive PTEF adhesive to the mandrel, and then rotate 360°degrees along the measured edge. If the tape is cut in half or longer (about 13 mm), the edge is identified as a dangerous sharp edge. Precision, durability and high accuracy.