כְּעֵץ שָׁתוּל עַל־פַּלְגֵי מָיִם
Like a tree transplanted by streams of waterThe children stretching their arms and fingers had no trouble imagining themselves as trees.
Curiously, the first response to the colours in the image here was PH. I didn't know I had a 10 year old chemist in the class. (I think the message is - use every bit of your knowledge for joy because the children see right through you.)