Did you know that there were heat-activated coasters too? We sure didn't 'till we found this product. Usage is simple. Just place a hot mug on it and the moon image will activate. Once you pick it up, you'll have a bright shiny moon staring straight at you.
Can cut, pry, hammer a nail,twist the screw, open fire hydrant, etc. This handy little gadget is the perfect thing for repairmen. Get this item for your handy dad and he'll thank you soon enough. And he'll most certainly think of you while repairing the next broken thing.