Diplodocus is clearly heavier than Tyrannosaurus, but what about Brachiosaurus? I imagine the Stegosaurus is lighter than those three, but is it lighter than a woolly mammoth? Not easy, I think I'll just place the saber-toothed tiger, at least I know where to put it… Well, I think? This box contains 110 cards on the theme of dinosaurs and prehistoric animals. It can be played alone, or combined with the other titles of the Cardline series.