The Unemployed Philosophers GuildDisappearing Dinosaur Heat Transforming Color Changing Reveal Mug - Add Hot Coffee and Watch Dinosaurs Turn to Fossils, 400mL

Nice mug, interesting change effect, but very large. Thus was bought for a pre-teen boy and its too large for practical use

This mug is such a delight! I bought this for my 5 year old son but we all can’t get enough of it. The hot/cold transformation is so cool!

Was my favourite mug from a long time after I bought it from the science museum. Eventually (after over a year?) The top layer of paint began to peel off. It's a very large mug, I estimate it to hold 400-450 mL of liquid, the wideness allows for large biscuits to be dunked.Ideal for someone who drinks a lot of hot beverages

The mug is lovely but the box was damaged, the paint on the cup chipped. Shame.

very cool item but make sure you don't put it in the dishwasher or else it will all come off

This mug arrived just in time for a birthday party. Excellent delivery service from amazon.The mug is a great size and fun to have for any dinosaur lover like the kid it was bought for. It feels substantial not like a cheap clay mug.If there had been a colour option for the interior in white instead of green, I would have bought one for myself as well.

Love this

The mug arrived well within the time frame given. Slightly bigger and heavier than I was expecting but of very good quality