The answer depends on the characteristics of your Father and what type of things he likes
. If your dad is sporty then you can look into the range of sport gifts that are available such as a mug, cufflinks or book emblazing their favourite teams logo or name. Sport related gifts are great for all those Fathers who are in to their sports as this is a sure fire way for you to find the perfect present.
If he likes to play on games then you are in luck as there are plenty available on the market. Now, you are probably not going to want to spend hundreds of pounds on the latest games consoles but there are some great games that come in handy and are well within many peoples budget. Electronic Sudoku is one of the best selling games as it has become a phenomenon over the past few years. Dont worry about having a pen to hand as the game comes with a stylus to operate the touch screen.
Maybe he wants to keep his brain active (if retired) or just wants a bit of fun when relaxing at night and the best way to do so is to get him a Brain training game that has some interesting games that you can compete with him on to find out who is the smartest in the family. These types of games are great and if he is someone who likes to do a lot of travelling they are great to take with him as they fit perfectly into a pocket and you will never know its there. There are a range of presents that you could choose and the one that is right for your dad is the one that best suits your fathers personality. The best presents for him are available and make sure that you find the best fathers day gifts that you can to show your father that you care.