for our cold cup test we put togeter foam plasitc and cardboard and created our cup  i recomend our second cup design becasue it was an improved design and all of our materials were reuseable or recycleable.   this minimized enerygy transferbecause we had a lid to keep in the hot or cold paricles and we had a double wall to minimize it as well

today we began desiging our builing it has sevral requirements it has to be shake test proof and it has to be able to hold up two sand bags they are a half pound each. (total one pound)