This set is definitely one for the boys. For young and old minds alike, this is a set to unleash the menace of some of the most amazing machines across road, sea and air. What is the maximum take-off weight of an F-22 Raptor? What is the length of the USS Sampson? What is the top speed of a LaFerrari? The answers lie in this set of " Mean Machines" Top Trumps. Each pack contains 30 cards and a plastic case.