Get smart curated videos delivered to your inbox.   SUBSCRIBE
The Kid Should See This

The weird world of the sea urchin

Watch more with these video collections:

Dive down into the world of sea urchins in this 2010 Earth Touch video, from needle urchins like this incredible-looking Diadema setosum, to oval urchins, to banded urchins like Echinothrix calamaris, to short-spined urchins.

Watch more marine life videos and more Earth Touch videos on this site.

This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.

Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.

🌈 Watch these videos next...

Wild Oceans: Coral Reef In Technicolor

Rion Nakaya

When Your Job Is Saving The Ocean | How She Works

Rion Nakaya

What do sand dollars look like when they’re alive?

Rion Nakaya

Under The Dock, a marine life series by Hakai Institute

Rion Nakaya

Thresher Shark’s Deadly Tail

Rion Nakaya

The Narwhal, Unicorns of the Sea

Rion Nakaya

The differences between a living and a dead sand dollar

Rion Nakaya

The Deep by PES: Marine creatures made of tools

Rion Nakaya

The Catlin Seaview Survey: “Street View” for the Great Barrier Reef

Rion Nakaya