Train Your Brain: Junior Edition by Ryuta Kawashima
This work allows you to pit your brains against your friends and train your brain to be the best! From the hero behind Nintendo's number-one game Dr Kawashima's Brain Training, fill in the puzzles in the quickest time you can and check out the results to boost your brainpower. If you play the puzzles for a few minutes every day, it's scientifically proven to tingle different areas of the brain and boost your thinking-power like never before. Play with your friends and get ready to amaze them with your laser-fast thinking!