As opposed to the metal variety, when thinking about serving spoons, tongs and egg flippers, consider the plastic alternative so that you don't damage any Teflon coated cookware that you may already own or be considering purchasing.
A really good pair of kitchen shears is always worth having on hand because they really do make cutting up a chicken a breeze. They are also very effective for cutting up any type of meat as an alternative to using a knife.
If you are having a special day, a handy tip for use of your kitchen scissors is trimming off the crusts on sandwiches. It is a lot easier than using a knife and much quicker. Your sandwiches will be the talk of the table.
Of course no kitchen is complete without a set of measuring cups and measuring spoons for baking day. They usually come in a set with various measurements so no matter what your recipe calls for, you will find that a set of measuring cups and measuring spoons is a must have as pre-requisite kitchen tool. It is also worth having a prong to test that your cake is cooked.