Which Is Bigger? Size Battle

Which is bigger: a Tyrannosaurus or a city bus? Mount Everest or the Great Pyramid? In this visual estimation game, you compare the real sizes of two objects. Move the bottom ruler to change the scale until the proportion looks right, then lock in your answer. The game reveals the real ratio and your accuracy. Discover a huge variety of comparisons featuring everyday objects, animals, vehicles, geography, landmarks and space. Accurate and unusual answers can trigger reactions and short facts. Improve your results and see how good your sense of scale really is.