Basket with brown eggs. Basically, these are chicken eggs. Egg yolk is rich in vitamins and minerals. It is the egg yolk that concentrates all the egg cholesterol and fat, and half of the egg proteins. Vitamins A, D, E and K are also found in egg yolk. Brown Eggs Jigsaw Puzzle shows common chicken egg. Play and solve Brown Eggs Puzzle with 12, 24, 35, 40, 54, 60, 70, 96, 104 or 260 pieces. This online jigsaw puzzle, is the perfect way to relax. Or create your own custom made puzzles.