What is the composer describing in this music?

What did the sailor really see at the bottom of the deep blue sea, sea, sea?
Year 1 selected sounds and created their own musical patterns to represent what they imagined.

https://soundcloud.com/nistmusic/snap-the-crocodile-and-sid-the-snake-duet

Snap Snap the crocodile At me you never smile
‘Coz, if you like at me I’ll be chasing you, snapping swiftly.

Slip and Slide Slither and Glide
Trust in me I will squeeze you warmly

Please just trust us. We’ll be good friends for you!