Do you know what's in grandpa's old garage? Schoolboy Yegor Molotkov found an incredibly heavy metal cube there that could neither be opened nor sawed. Of course, the cube turned out to be not simple, but magical, opening the way to the fabulous Land of Mechanics. But a real hunt begins for the magic piece of iron - gray terminator hunters are on Yegor’s trail, zombifying his classmates. To save the world from imminent disaster, he will have to fly in an old Volga, shoot at a creature with a glass skull and even fight a dinosaur...