The blackboard of the middle ages
A large steel shield in the form of a sea-shell attributed to Athena, the goddess of civilization, craft wisdom and war.
A Castle or better a fortified tower is floating over the country side and being attacked by goblins (or other monsters, depending on PC strength)
A local sculptor of note has chosen to honor the adventurers by crafting lifelike statues of them. While he hopes to surprise them by setting the statues up in their home while they are off adventuring, he may have underestimated the paranoia of the typical adventurer. Provided that he can get in, is he likely to survive whatever precautions they have against intruders? Assuming he lives, what will they make of finding statues in their house?