Answer:
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground. It holds pale gems of blue.
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
Hold these between your knees if you want to set a Cuban beat.
I have two eyes in the front and a lot of eyes on my tail
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?