100 Logic PuzzlesAn addictive puzzle book of fun brain teasers. A handy, paperback book, packed with puzzles, games and activities that will put children's powers of logic to the test. The puzzles include breaking a castle code using patterns on different shields, drawing impossible shapes, and lots of mind bending riddles. Full of colourful illustrations and space to draw, colour and complete the different activities, this book is ideal for keeping children busy over