Sports balls vs everyday objects
Put sporting equipment beside objects you actually hold every day.
Finding a little perspective…
Inside Sports in your hands
Use pocket and desk objects to anchor balls from different sports.
Turn familiar objects into sports references
A phone, banknote, coin and compact disc provide anchors for balls you might usually see in motion. Imagine holding the reference still beside the equipment. Unlike the all-sports collection, these rounds ask you to transfer your size intuition between different kinds of objects.
Match diameter to the marked edge
Balls use diameter even when their size class is named for a circumference. Everyday references may instead use a phone’s height or a banknote’s long edge. Follow both labels; neither an object’s surface area nor the space it occupies in your hand is the scored measurement.
Learn the references, then try again
Every reveal explains the measurement and links to its source. These five pairs keep the same order when you replay, with a separate best score for this collection saved in your browser.