Carols the puppy starts pinging the stopped with his paw, before realising that the more he plays with it the louder it pings.
The 14-month-old pup has obviously never encountered such a bizarre device before - but quickly realises the joys of the door stopper.
The video has now amassed over half a million views, thanks to the inquisitive nature of Carolos the French Bulldog.
As if we didn't want one before, now we are absolutely sure the French Bulldog is for us! Just look at those adorable ears (but don't tell his British cousin).
If you like this, why not check out some of our other cute animal videos here.
And here.
Watch the footage below, we promise you will fall in love with Carlos: