HAND-PICKED PERSPECTIVES

Size It Up Collections

Twenty small worlds to explore. Five comparisons in each. Get a little better every time.

Human & animal size comparisons

Start with someone your own size. Meet five familiar silhouettes from a new angle.

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Everyday objects & animal sizes

Familiar objects, a few surprising proportions. How well do you know the things around you?

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Animals, vehicles & surprising proportions

Put wild animals beside everyday transport and try to keep your perspective.

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Pocket object size comparisons

A coin, a card, a battery: small objects make surprisingly useful measuring tools.

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Desk & office object size comparisons

Rebuild the scale of your desk from paper, a disc, a card and a tiny fastener.

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Sports ball diameter comparisons

They look almost interchangeable. Their rule-book sizes tell another story.

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Sports balls vs everyday objects

Put sporting equipment beside objects you actually hold every day.

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Small animal & insect size comparisons

Small creatures become easier to picture beside a paperclip, card or phone.

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Small wildlife size comparisons

Rabbits, rodents, water birds and a tortoise share a more surprising scale than you expect.

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Bird height & length comparisons

Legs, wings and long tails can all fool the eye. Follow the marked measurement.

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Farm animal size comparisons

You know these animals. Now try placing their real measurements beside one another.

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Large animal size illusions

Bulk is not length. Tall is not long. Five large animals put that distinction to work.

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Large animals vs vehicles

Imagine a shark, camel or hippo parked beside vehicles you recognize.

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Aquatic & waterside animal sizes

Follow the water from birds and lobsters to dolphins, hippos and sharks.

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Vehicle & spacecraft size comparisons

From a city bus to a transatlantic liner, discover how far vehicles really stretch.

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Famous landmark height comparisons

Landmark heights from an ancient reconstructed apex to the tips of modern towers.

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Landmarks vs vehicles: a size challenge

Stand a ship, rocket or aircraft beside a landmark and make the scale click.

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Rocky planet & Moon size comparisons

Leave familiar metres behind. Compare the diameters of rocky worlds and our Moon.

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Size comparisons of Solar System giants

Gas giants, ice giants and the Sun stretch your intuition across a much larger scale.

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Country map area comparisons

Wall maps can fool the eye. Compare the areas of sourced outlines and reset your sense of geography.

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Small sets with a reason to replay

These 20 collections contain 100 distinct pairings selected for familiar anchors, close calls and surprising differences. Your best score and play count stay on this device. For more variety, search the complete comparison bank.