DR. STONE - SENKU ISHIGAMI 16 OZ. MUG
We've run some analyses and crunched the numbers and it turns out that this Senku Ishigami Mug is the ideal vessel for achieving optimum caffeination.
With a chalkboard-themed design featuring Senku crouching in front of everything you would need for a crash course in science from the Stone Age to modern days, it's perfect for fans of Dr. Stone.
