Our idea for the project is to create a jacket that reacts to the temperature and projects certain images or messages according to the temperature. We plan on using individual LEDs wired in parallel to achieve this idea.
Jacket: we already have a jacket
Batteries: http://www.cheap-batteries.com/9V.html
$15 for 12 batteries
X- acto Knife:https://www.amazon.com/X-ACTO-2-Knife-Safety-Cap/dp/B000V1QV7O/ref=sr_1_1?ie=UTF8&qid=1477368781&sr=8-1&keywords=exacto+knife
$6.99
LED’s:https://www.amazon.com/Assorted-Clear-Emitting-Diodes-Colors/dp/B00UWBJM0Q/ref=sr_1_1?ie=UTF8&qid=1477368852&sr=8-1&keywords=assorted+leds
$12.57
Temperature sensor: in kit
May need fabric to build a lining that will hold all the wiring  and hardware inside of the jacket and provide comfort to the wearer.