Ready to beat boredom, the possible*impossible puzzle series covers all types of detailed visual puzzle from spot the difference to odd one out, and dot-to-dot to mazes.These specialised and challenging puzzles get progressively harder as children work through the book, helping the development of their problem-solving skills.For added fun, each puzzle includes a time challenge of the expected duration with the aim of beating the clock! The solutions are included in the back of the book.The number of dots increase as the book progresses, so that by last puzzle there are 1000 dots! The images have spot colour so that the reader can add their own colour too. Each title has visual answers at the back of the book.So why buy this book? The puzzles get harder has the book progresses. Every page has a time challenge to add to the fun. Ideal for holidays or travel.