Contains 90 brilliant, ten-minute puzzles, to help train your brain. The wide variety of timed puzzles and exercises will keep you guessing and give your brain

This book is brimming with memory, word and number workouts, codes, battleships and mind-bending spot the differences, as well as Japanese puzzles including han

Take your brain to the gym and give it a good workout--no pain, no...

Contains 101 quick-fire puzzles to exercise young minds; from memory games and simple calculations to spot the differences and jigsaw challenges.

An activity book that acts as a companion to the TV series Brain games.