School Coloring Pages Clipart   Image 87 of 143 Free Clipart of School Coloring Pages Victorian Clipart illustration of three men who need to find a way to get to the top of a cliff to get away from rising water levels, they use the ladder they made but it is too short, so they begin to climb the slippery rocky cliff to the top with their bare hands, the proverb is "necessity is the mother of invention " Full image dimensions ~ 490 x 496 pixels File size ~ 85 KB Related Keywords ~ black and white   cliff   climb   climbing   coloring books   edge   illustration   invention   man   men   people   proverb   rising water   rock climbing   slippery rocks   strength   tide   victorian clipart   water   This Public Domain image is available for personal and commercial projects. School Coloring Pages Clipart   Image 87 of 143 Some of this Month's Most Viewed Education Clipart ...