A tail-wagging machine for lazy dogs? The famous pocket cloth-waving device at the train's departure? The long-awaited and foolproof method for taking out mosquitoes? Step right into this book, and you will discover these and many other inventions, simply complicated devices, and the most outrageous gadgets. Are you ready? Do you want to know how it all works? Then buy this book, have an old alarm clock gifted to you, enlist the help of an experienced kibbel-kabbel player, and place an order for a few rain clouds from the Red Sea: A lovely ribbon of sky-blue velvet will transmit the movement of the hidden shaking mechanism, and voilà, all the fish will land in the tuba. And even if you don’t have thirty-two thousand pumpkin seeds on hand, it will definitely work... and if not.