Goku and Buu duke it out while you sip your coffee. That sounds fair. Inspired by one of the most memorable battles from Dragon Ball Z, this Dragon Ball Z Goku vs. Buu Heat-Change Mug and Coaster Gift Set includes a ceramic heat-activated mug depicting the showdown between Goku and Buu. Watch the artwork change as the mug heats up! A coaster featuring the four-star Dragon Ball is also included to keep your counters and tabletops cool and dry. Hand wash only. Not dishwasher safe. Do not microwave.