NEW 💙 IMPROVE YOUR IQ HARDBACK BOOK WITH OVER 500 MIND-BENDING PUZZLES

In great condition Sharpen your mind and blitz your brain with a workout of more than 500 challenging puzzles. These tricky numeric and alphabetic questions will stimulate your smarts is never before, and help your IQ climb higher and higher. The puzzles are fun too, because some of them involved unfolded cubes, aliens, watches, and matchsticks. By Deborah Hercun