These soap bars slowly dissolve to reveal the image of a dinosaur skeleton underneath.
Before use, Dinosoap appears to be an ordinary rock.
Midway through use, a fossil begins to appear.
The soaps reveal their miniature fossils after two to three months of normal use.
The soaps feature three different fossil designs: tyrannosaurus, triceratops, and pterodactyl. The soaps are composed of apricot kernels and other natural ingredients that give them a sand-like appearance.
Available for $13 each at 25togo.