This is a mechanical monkey Made around 1940 It holds a striking rod, and a bell Siting here it has no containment cell You may go closer, do not be afraid On someone's birthday it will activate Ring, ding, ring a ding, ding ding It's your birthday! Ring, ding, ring-a-ding Ring ring ding ding, birthday! Ring, ding, ring-a-ding, ding ding It's your birthday! Birthday! Yeah, birthday! It will stand up, do a backflip and then sing When it's done, it will pause Ring it's bell and rebegin Take the candy that it drops no, do not neglect You must reverse the effect It's harmless, but can kill you So you must know what you must do And because it's your birthday It keeps on singing all the way Ring, ding, ring a ding, ding ding It's your birthday! Ring, ding, ring-a-ding Ring ring ding ding, birthday! Ring, ding, ring-a-ding, ding ding It's your birthday! Birthday! Yeah, birthday! It will stand up, do a backflip and then sing When it's done, it will pause Ring it's bell and rebegin Take the candy that it drops no, do not neglect You must reverse the effect