(C) Ebeneezer Sneezer
(D) topsy turvy man
(E) walks upon his elbows
(F) anytime he can
(G) dresses up in paper
(A) everytime it pours
(B) whistles Yankee Doodle
(C') everytime he snores
(C' B A G F E D C) Oh Ebeneezer what a man! (fast descending scale)
Here is a video where you can learn to sing this very simple song. She is playing it on the piano at the same time so if you have a piano you will be able to quickly be able to both play and sing the song.
This is a good sing-a-long version that is much more fun for singing.
You will notice that it says it is color codes for boomwhackers. Boomwhackers are incredibly fun instruments that are made of colorful tubes. For $20 you can buy the basic set and play this song and lots of other songs.
Another option is an 8 note glockenspiel. Here is one at Amazon for $13.99.
The advantage of the glockenspiel is that a child can play the song easily by themselves whereas boomwhackers were more designed for a group to play, each one playing one note.