Snake bubbles: -an empty bottle (I used a Gatorade bottle) -rubber band -terry cloth (I used a wash cloth) -liquid dish soap -water Mix the dish soap with some water, I did a 2 to 1 ratio soap to 1 water).
Use cardboard, craft sticks, and hot glue to create an epic marble run! The marbles land in paper cups at the bottom of the track. This is a fantastic engineering challenge for kids. How should we position the sticks? Which path will the marbles take? How