Use this SmartBoard lesson to have students sort shapes by attributes. The can sort by colors, size, and shape.
Next, using a bubble map, the students can select an attribute block to describe using the words below.
Then, the click on the adjectives in a given bubble map to guess the shape it is describing.
Finally, it introduces the game that a child selects 3 attribute blocks. The child describes one of the blocks by placing a green counter over the describing words. The partner has to use the describing words to determine which attribute block the partner described. I have the matching worksheet available.