This is a short 5 minute pitch about the stacker rings (or cups). It includes the labels and how they support novel creative language use. 

Complexity - words to conversation

Word, sentence, complex sentence, simple conversation, complex conversation.

Number - how many words or sentences

1-3, 4-10, 11-20, 21-50, 50+

Independence - Blooms re-worded with student help.

Repeat/copy, memorise, make it up with help, make it up independently, make it up on the spot.