![Science girl on Twitter: "3/ worth noting that the hats are not on their heads as urchins are Urchins are what is known as radially symmetric, The mouth parts are below. Here Science girl on Twitter: "3/ worth noting that the hats are not on their heads as urchins are Urchins are what is known as radially symmetric, The mouth parts are below. Here](https://pbs.twimg.com/media/Fs9pfO4WIAIbfYp.jpg)
Science girl on Twitter: "3/ worth noting that the hats are not on their heads as urchins are Urchins are what is known as radially symmetric, The mouth parts are below. Here
![sea urchins protect themselves by putting rocks and shells on their "heads" so apparently if u give them tiny hats they will put them on and wear them : r/aww sea urchins protect themselves by putting rocks and shells on their "heads" so apparently if u give them tiny hats they will put them on and wear them : r/aww](https://i.redd.it/b17zvl50x1161.jpg)
sea urchins protect themselves by putting rocks and shells on their "heads" so apparently if u give them tiny hats they will put them on and wear them : r/aww
![Sea Urchin Wear Shells Like Hats So Aquarists Made Tiny Hats for Them To Wear Instead « Adafruit Industries – Makers, hackers, artists, designers and engineers! Sea Urchin Wear Shells Like Hats So Aquarists Made Tiny Hats for Them To Wear Instead « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2020/11/display.jpeg)
Sea Urchin Wear Shells Like Hats So Aquarists Made Tiny Hats for Them To Wear Instead « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![Sea urchin hats (Size MEDIUM) – baseball, pirate, skipper, captan, viking, Green Ears – Custom 3D Printing & Laser Solutions Sea urchin hats (Size MEDIUM) – baseball, pirate, skipper, captan, viking, Green Ears – Custom 3D Printing & Laser Solutions](https://www.leafgreensolutions.com/wp-content/uploads/2021/12/61bddb9fb9b39d06196c19bf-1.jpg)
Sea urchin hats (Size MEDIUM) – baseball, pirate, skipper, captan, viking, Green Ears – Custom 3D Printing & Laser Solutions
![Science girl on Twitter: "3/ worth noting that the hats are not on their heads as urchins are Urchins are what is known as radially symmetric, The mouth parts are below. Here Science girl on Twitter: "3/ worth noting that the hats are not on their heads as urchins are Urchins are what is known as radially symmetric, The mouth parts are below. Here](https://pbs.twimg.com/media/Fs9st0CWAAA6imY.jpg)