On the way to TaeKwonDo Mumble made an observation. Mumble said look Ms. T the Constructive Triangles as he was pointing to a sign.
Very close comparison! Below are some pictures of Mumble working with the Constructive Triangles.
I use the templates avaliable on Montessori Print Shop for the children to use as a guide to construct different shapes with this material. Here is an example of one, it is Mumbles' favorite shape to create with the Constructive Triangles.