Aged Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Difficult Puzzle Book for Smart Kids: Over 300 Brain Games for Kids Aged 11 – 14 (Thinking Books for Kids) Added to wishlistRemoved from wishlist 0 Add to compare $9.99