7a. The combinations could be 3 fives and and 2 sixes.
7.b
The problem with this activity is that it could be too challenging for some people. The cubes are hard to put together. you need to connect them together which is the challenging part. This activity helped us conceptualize ideas in the design process by showing us how it works. it tells us each parts of the design process. each part of the process is each part of the process.