We tamilnadu science forum (TNSF) conducted National Childrens Science Congress (state level) at KPR Institute of Technology, Coimbatore on 9,10,11 th November. Around 800 Students and 400 teachers are participated. When we ( Pa.Pa.Kanakaraj, Pa.Iniyan, Mo.Pandiyarajan) collected some samples that pollen grains of trees in and around the campus. And also we trained those people about usages and functions of FOLDSCOPE. And displayed our collections of that campus.