Brain Teasers... What a fantastic way to spend your spare time. At the same time you're having fun and being entertained with different games and tasks you also exercise your head and keeps your mind fresh and sharp. The researchers say that you should play at least one type of puzzle game per day whether it's online or in a crosswords magazine makes little different. The importance is that your activating your brain. To accomplish the best brain result you should try to play different types of puzzle games that will exercise different parts of the brain. This page will be dedicated to all of these types of games and you'll be able to find more by visiting playcoolmathgames.org to get a bigger collection just focusing on developing your math skills.