Shape monsters---can incorporate shapes, vertices and adjectives all in one. Have the kids create their shape monster then describe it using math vocabulary and adjectives. They could write how many of each shape that was used to make the monster.
"As a kinder and project read the book The Dot. A cute story about a little girl who discovers art through a simple series of dot paintings. The students paint their own dot, or not-a-dot, with watercolors.