It's time to get to the brain gym and give your mental powers a proper workout! IQ Brainteasers if full of exciting, mind-bending and challenging number puzzles and word games to test even the greatest brainiacs! Each page is packed with unique conundrums that will tease and taunt and hold your interest for hours. Developed to help build your mental powers these questions give a boost to your IQ as well as providing pages of fun for everyone! Test yourself, test your friends, and prove you're an IQ genius!