You are…
You are a monkey dangling on the tree.
You are as white as the clouds floating by like a fluffy spaceship.
You are the smell as a dump of chicken poo.
You are so squeaky like peppa pig sliding down a lever sofa.
You are as thin as a pencil.
You are as a hot as the oven door when I walk past it on a winters day.
You are as yellow as a bright sunflower shining in the sun.
You are as taste galaxy chocolate.
You are the touch as a bath bomb fizzing against ur skin.
You are as bony as a chicken leg getting thrown in the bin at KFC.
You are as spikey as a hedgehog.
You are a summers day melting on my finger tips.
You are a spider crawling up my back.
I like that you have stayed away from cliches and invented your own original similes.
I like the bit you are a summers day melting on my fingertips, great work!! Keep it up
You really set a picture in my mind.SUPER
On the last line maybe you could add an adverb and some more adjectives.