Electric kettle An electric kettle is plugged in so that it can heat up water. Thats it. The rest of the time it takes up space on your counter. If you want to make a cup of tea, heat the water in the microwave or in a pan on the stove, not in a special kettle. 4. Popcorn maker With a popcorn maker, whole kernels are heated and then fluffy popcorn emerges at the top. It may seem like the best way to get ready for movie night, but you can get the same results with a pot on the stovetop . 5. Baby-food maker At first, baby-food makers seem like a great idea. With veggiesensations.com one little appliance, you can give your baby fresh fruits and vegetables.