Fundraising Activities: Engineering and Inventing 5 hours – 2 morning 2.5 hours each Cost $30 Day 1 1 – Gumball Structures (:30) Supplies: Toothpicks, gumdrops, mini marshmallows, play dough Challenge: experiment with what you can build using the materials you have – how tall can you go before it falls over, what can you do… More Engineering and Inventing