MELODY'S Logic Gates Combine Model- All Basic Gates and,OR,NOT,NAND,NOR in one Physics Science Working Model Educational Electronic Hobby Kit

This is to make all three basic gates & than make ‘NAND’ & ‘NOR’ gates with the same. * Made it on a cardboard base with diagram drawn on it. This is a handmade complete working model supported by rough study material to make a suitable projects report by the student. It is using Cardboard/Wooden base, Paper, Electronic-Electrical Components, Mechanical & Scientific goods as per the requirement of a particular model.