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RC1 / Tumbler traffic cone


The road traffic cones are easy to be knocked down . Improving the original design by using the tumbler principle ,and can be compressed to save space . Swing energy is converted to light . It can be noticed when pedestrians pass by at night .


Nanhang jincheng College

Nanhang jincheng College
Nanjing, China

jingjing Chen,
Nanhang jincheng College