With 50 Wacky Inventions Throughout History, history has never been so fun--or wacky!Have you ever heard of a bike washing machine? Or a video game headset that can read your mind? 50 Wacky Inventions
With 50 Wacky Things Animals Do, science has never been so fun--or wacky!Did you know that ostriches can run faster than horses? Or that dogs can be identified by their nose prints, just like human ca
