A set of two popular educational picture books packed with interactive elements that allow children to flip, look, and discover. * How Does It Work? Under the Sea * Discovery Encyclopedia: The Sea (Revised Edition) These encyclopedia-style books naturally spark curiosity with every page turn, prompting questions like "Why?" and "What's this?". Even without being able to read, children can enjoy them for a long time by "looking, touching, and discovering." --- ✴︎Recommended Points * Fun interactive elements * Filled with sea creatures * Enhances education and vocabulary * Popular for birthdays and gifts * A classic series from Gakken --- ✴︎Condition * Used (with normal wear and tear) * No tears or major damage * Interactive elements function properly #discoveryencyclopedia #interactivepicturebooks #educationalpicturebooks #sea #seacreatures #2yearsold #3yearsold #4yearsold #5yearsold #earlychildhoodeducation #athome #Gakken #bulkbuy