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Extra large celtic sea - large,

Extra large celtic sea - large,

£19.99 · Buy It Now

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Green sea urchin pack - sea, 3

Green sea urchin pack - sea, 3

£6.79 · Buy It Now

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Crinoid star fossil - fossil,

Crinoid star fossil - fossil,

£8.66 · Buy It Now

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Diverse collection over - diverse, of

Diverse collection over - diverse, of

£20.30 · Buy It Now

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Extra large scottish sea - extra,

Extra large scottish sea - extra,

£17.22 · Buy It Now

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Sea urchin shell - sea,

Sea urchin shell - sea,

£10.26 · Buy It Now

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Sea urchin green 5 - urchin,

Sea urchin green 5 - urchin,

£7.99 · Buy It Now

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Sea urchin sputnik 7 cm - 3,

Sea urchin sputnik 7 cm - 3,

£6.99 · Buy It Now

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White sea urchin 5 7 - x,

White sea urchin 5 7 - x,

£2.99 · Buy It Now

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Micraster echinoid fossils - 5, x

Micraster echinoid fossils - 5, x

£14.54 · Buy It Now

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Pink sea urchin pack - sea, 3

Pink sea urchin pack - sea, 3

£3.95 · Buy It Now

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Sea urchins pink 5 - urchins,

Sea urchins pink 5 - urchins,

£2.99 · Buy It Now

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Large sea urchin tartan - 1, x

Large sea urchin tartan - 1, x

£3.99 · Buy It Now

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Fossils delabole butterfly - fossils,

Fossils delabole butterfly - fossils,

£193.10 · Buy It Now

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Extra large sea - urchin, sputnik

Extra large sea - urchin, sputnik

£3.99 · Buy It Now

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Colorful sea urchins for air - colorful,

Colorful sea urchins for air - colorful,

£12.00 · Buy It Now

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Resin white sea urchin - sea, sputnik

Resin white sea urchin - sea, sputnik

£3.99 · Buy It Now

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Sea urchin lilac 6 - sea,

Sea urchin lilac 6 - sea,

£6.99 · Buy It Now

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Sea urchin sputnik 5 - sea, cm

Sea urchin sputnik 5 - sea, cm

£2.99 · Buy It Now

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Sea urchin wands pencil - 5x,

Sea urchin wands pencil - 5x,

£2.19 · Buy It Now

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Huge deep water sea urchin - huge,

Huge deep water sea urchin - huge,

£37.50 · Buy It Now

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Fossil sea urchin natural - sea,

Fossil sea urchin natural - sea,

£14.00 · Buy It Now

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Resin white sea urchin - x,

Resin white sea urchin - x,

£3.99 · Buy It Now

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Sea urchin cream brown - cream, &

Sea urchin cream brown - cream, &

£2.99 · Buy It Now

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Large sea urchin shell 440 - sea,

Large sea urchin shell 440 - sea,

£22.82 · Buy It Now

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Extra large sea urchin - extra,

Extra large sea urchin - extra,

£4.99 · Buy It Now

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Natural green sea urchin - natural,

Natural green sea urchin - natural,

£5.79 · Buy It Now

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Natural sea urchin - natural,

Natural sea urchin - natural,

£8.00 · Buy It Now

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Fossil sea urchin - fossil, echinoid

Fossil sea urchin - fossil, echinoid

£59.99 · Buy It Now

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Knobbly starfish 2 sputnik - knobbly,

Knobbly starfish 2 sputnik - knobbly,

£15.99 · Buy It Now

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Colorful sea urchins - colorful, for

Colorful sea urchins - colorful, for

£12.00 · Buy It Now

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Large scottish sea - large,

Large scottish sea - large,

£21.50 · Buy It Now

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Natural sea urchin - , shell

Natural sea urchin - , shell

£16.15 · Buy It Now

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Natural light pink sea urchin - natural,

Natural light pink sea urchin - natural,

£4.59 · Buy It Now

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Sea urchin wands 75mm - 5x,

Sea urchin wands 75mm - 5x,

£1.99 · Buy It Now

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Ubcxommon pacific sea urchin - pacific,

Ubcxommon pacific sea urchin - pacific,

£9.95 · Buy It Now

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Sputnik sea urchin pack of - sea, 3

Sputnik sea urchin pack of - sea, 3

£6.95 · Buy It Now

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Sea urchin shell - sea,

Sea urchin shell - sea,

£12.95 · Buy It Now

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Large natural fossilised sea - ,

Large natural fossilised sea - ,

£9.73 · Buy It Now

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Echinoid marine fossil sea - fossil,,

Echinoid marine fossil sea - fossil,,

£38.14 · Buy It Now

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Ubcxommon pacific sea urchin - pacific,

Ubcxommon pacific sea urchin - pacific,

£9.95 · Buy It Now

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Green sea urchin - urchin, 3

Green sea urchin - urchin, 3

£6.95 · Buy It Now

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Pygurus urchin echinoid fossil - pygurus,

Pygurus urchin echinoid fossil - pygurus,

£13.77 · Buy It Now

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Medium scottish sea urchins - 3,

Medium scottish sea urchins - 3,

£22.54 · Buy It Now

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Large tropical sea urchin - large,

Large tropical sea urchin - large,

£12.50 · Buy It Now

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Fossil sea urchin natural - fossil, –natural

Fossil sea urchin natural - fossil, –natural

£15.49 · Buy It Now

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Collection sea urchins - of,

Collection sea urchins - of,

£9.99 · Buy It Now

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Extra large scottish sea - large,

Extra large scottish sea - large,

£17.22 · Buy It Now

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Vintage sand dollar sea - , urchin

Vintage sand dollar sea - , urchin

£15.99 · Buy It Now

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Sea urchin tartan 8 cm - tartan,

Sea urchin tartan 8 cm - tartan,

£7.99 · Buy It Now

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Incredible tropical sea urchin - incredible,

Incredible tropical sea urchin - incredible,

£39.50 · Buy It Now

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Large off white - knobbly, sea

Large off white - knobbly, sea

£8.50 · Buy It Now

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Alfonso sea urchin - sea, 3

Alfonso sea urchin - sea, 3

£8.95 · Buy It Now

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Rare tropical sea urchin - rare,

Rare tropical sea urchin - rare,

£24.50 · Buy It Now

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Spanish moss mini long - spanish,

Spanish moss mini long - spanish,

£6.45 · Buy It Now

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Large 8cm tartan - large, alfonso

Large 8cm tartan - large, alfonso

£3.79 · Buy It Now

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Large scottish sea urchins - scottish,

Large scottish sea urchins - scottish,

£21.50 · Buy It Now

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Vintage large sea urchin - sea,

Vintage large sea urchin - sea,

£35.00 · Buy It Now

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Pretty tropical sea urchin - pretty,

Pretty tropical sea urchin - pretty,

£6.52 · Buy It Now

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Large 70pc natural - large, sea

Large 70pc natural - large, sea

£26.70 · Buy It Now

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Large scottish sea urchins - scottish,

Large scottish sea urchins - scottish,

£21.50 · Buy It Now

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Sputnik sea urchin urchins - sputnik,

Sputnik sea urchin urchins - sputnik,

£10.79 · Buy It Now

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Fossilised sea urchin echinoid - fossilised,

Fossilised sea urchin echinoid - fossilised,

£16.14 · Buy It Now

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One echinoid sea - , urchin

One echinoid sea - , urchin

£19.36 · Buy It Now

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Sea urchin tartan 8 cm - x,

Sea urchin tartan 8 cm - x,

£2.99 · Buy It Now

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Sea urchin pink - 3,

Sea urchin pink - 3,

£9.72 · Buy It Now

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Conch and sea - 5, urchin

Conch and sea - 5, urchin

£89.00 · Buy It Now

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Large scottish sea - 2,

Large scottish sea - 2,

£21.50 · Buy It Now

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Sea urchin green 5 - 1,

Sea urchin green 5 - 1,

£3.99 · Buy It Now

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Large scottish sea urchins - 2,

Large scottish sea urchins - 2,

£21.50 · Buy It Now

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Large scottish sea - sea, urchins

Large scottish sea - sea, urchins

£21.50 · Buy It Now

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Incredible tropical sea - tropical, urchin

Incredible tropical sea - tropical, urchin

£39.50 · Buy It Now

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Large sea urchin shell 7cm - x,

Large sea urchin shell 7cm - x,

£12.94 · Buy It Now

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Incredible tropical sea - tropical, urchin

Incredible tropical sea - tropical, urchin

£39.50 · Buy It Now

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3cm sand dollars - 3cm,

3cm sand dollars - 3cm,

£2.99 · Buy It Now

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North atlantic sea urchin - north,

North atlantic sea urchin - north,

£5.00 · Buy It Now

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Stunning tropical sea - tropical, urchin

Stunning tropical sea - tropical, urchin

£39.50 · Buy It Now

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Fossil sea urchin conulus - sea, in

Fossil sea urchin conulus - sea, in

£12.15 · Buy It Now

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Rare flint sea urchin fossil - flint,

Rare flint sea urchin fossil - flint,

£45.00 · Buy It Now

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Polished micraster echinoid

Polished micraster echinoid

£13.77 · Buy It Now

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Fossil clypeus plotti echinoid - fossil,

Fossil clypeus plotti echinoid - fossil,

£41.95 · Buy It Now

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Pastel sea urchins to 4 - pastel,

Pastel sea urchins to 4 - pastel,

£3.49 · Buy It Now

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Medium scottish sea urchins - 4,

Medium scottish sea urchins - 4,

£27.74 · Buy It Now

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Large scottish sea - scottish,

Large scottish sea - scottish,

£21.50 · Buy It Now

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Large scottish sea - scottish, urchins

Large scottish sea - scottish, urchins

£21.50 · Buy It Now

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Siemiradzkia aurigera echinoid - siemiradzkia,

Siemiradzkia aurigera echinoid - siemiradzkia,

£8.51 · Buy It Now

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Pygurus fossil sea - , from

Pygurus fossil sea - , from

£12.96 · Buy It Now

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Echinoid sea urchin fossil - echinoid,

Echinoid sea urchin fossil - echinoid,

£10.79 · Buy It Now

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Cidoris echinoid fossil sea - fossil,

Cidoris echinoid fossil sea - fossil,

£8.91 · Buy It Now

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Fossil flint echinoid sea

Fossil flint echinoid sea

£18.29 · Buy It Now

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Fossilised sea urchin - fossilised,

Fossilised sea urchin - fossilised,

£10.79 · Buy It Now

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Fossil flint echinoid sea

Fossil flint echinoid sea

£26.70 · Buy It Now

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Large 8cm tartan - large, sea

Large 8cm tartan - large, sea

£3.79 · Buy It Now

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Large scottish sea urchins - scottish,

Large scottish sea urchins - scottish,

£21.50 · Buy It Now

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Mixed sized sea urchins - sized, +

Mixed sized sea urchins - sized, +

£12.40 · Buy It Now

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Echinoid fossil urchin - fossil,

Echinoid fossil urchin - fossil,

£9.95 · Buy It Now

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📊96 listings · from £1.99 · avg £17.55
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 sea urchin listings currently in our index. Prices range from £1.99 to £193.1, with an average of £17.55. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about sea urchin →

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Everything you need to know about sea urchin

Whether you are looking for a brand-new or second-hand sea urchin, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.99, while premium listings can reach £193.1 — giving you a wide budget spread to work with. The average price of £17.55 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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