When thinking about a gift for grandma, think with as much heart as you do when buying for your mom, multiply it by one thousand, and you will get how much your gift will mean to your dear old lady.
Selecting grandma gifts can be hard or easy, depending on how much you know her and how interested she is in different things. It doesn't necessarily have to be a material object, you can be creative and give her an original.
Think of her interests, hobbies, and lifestyle. She has reached the last stage of her life, thus, give her something to enjoy life, have fun with, and motivate her. Get her quilting materials, knitting kits, or baking books that enhance her pastimes and incite her into action. Get her a photography course if she enjoys taking pictures, or computer lessons if she wants to start a blog. Make her feel important by giving value and celebrating the memories she has, through photos and images of her life and loved ones.
We all understand how some routines and activities become more difficult when reaching old age, so, give her something to alleviate and make some of those more enjoyable and easier, making her feel capable and self-sufficient, and showing her how highly you think of her capacities and independence. Get her shiny pill holders to help her organize her medications, or a kit to alleviate her joints after a long day of activity.
If you know of a place she has always dreamed of going, and if her health allows it, take her there and give her yet another incredible memory to cherish. Beyond material things, your grandma wants to see that you love her, know her, and care for her, that you listen to her and are interested in her wellbeing and dreams.
Lastly, never forget their loved ones' company is always the best gift for elderly people, so, a date for lunch every two weeks or a weekend with her enjoying the outdoors may be all she needs to make her life significant.
You can never go wrong if you care and love, so give from the heart. It is all about the intention and meaning of what you give. That is all that matters.