If you struggle with what to buy your grandpa every time his birthday, a holiday, or Father's Day rolls around, stress no longer. To make your search easier, we shopped a wide array of thoughtful gifts that are both sweet and useful. Instead of getting an old cliched "Best Grandpa Ever" key ring, go above and beyond and surprise him with a cool new gift that might even challenge him to learn something new. So whether you want to get him a Fitbit so he can track his steps or a new game you guys can play together, we found a variety of fun choices. Shop these top picks that are perfect for Gramps.