With 50 Wacky Inventions Throughout History , history has never been so fun--or wacky! Have you ever heard of a bike TV? Or a bird diaper? 50 Wacky Inventions Throughout History describes 50 inventions that seem too crazy to be true—but are! Whether useful, entertaining, or just plain silly, these mind-boggling inventions and gadgets from yesterday, today, and tomorrow will surprise and delight fun-fact lovers of all ages.