This clever Disappearing Dino Mug shows a prehistoric landscape populated by fierce dinosaurs. When you pour in a hot beverage, the eons pass before your eyes as the dinosaurs transform into fossils in a museum exhibition. Holds 400ml.This clever Disappearing Dino Mug shows a prehistoric landscape populated by fierce dinosaurs. When you pour in a hot beverage, the eons pass before your eyes as the dinosaurs transform into fossils in a museum exhibition. Holds 400ml.