This " Unbelievable Universe" bundle of Top Trumps provides a wealth of fun and engaging gameplay around some of amazing aspects of our universe, from the prospect of " Dinosaurs" gracing the earth millions of years ago, to the mind-boggling prospect of what exists beyond our earth in " Space" , and then the idea of molten lava swirling around beneath our Earth's surface, ready to unleash through " Volcanoes" . Hours of fun and education Each pack contains 30 cards and a plastic case.