This is a delicate job – reattaching the spines of a dried sea urchin in the Nottingham Natural History Museum, Wollaton Hall.

The needles hold them in place while the adhesive dries.
.
This one is Heterocentrotus mamillatus, the slate pencil urchin.

#NottNatHist #Museum #SeaUrchin #urchin #echinoid #NaturalHistory #nature #WollatonHall