BrushBots is a electronic model for kids. It like a robot design. It is very useful for teaching aids about how to make a basic electronic models with minimal effort. In BrushBot science fair project , head of a toothbrush uses as its body and bristles of brush as its legs. We have put motor on brush head with battery which helps to vibrate it and make the “bot” bounce along like a nervous little insect. It is very creative , fun , easy to make science fair project.